Monday, May 31, 2010

Digital logic circuit

This is digital logic circuit. Which use digital IC kind CMOS and TTL many the number.
It be the character gate very the circuit has appropriately. It is the measuring instrument logic
show electricity position low or high get. May show with LED or utter hear all right.
The gate IC come to use produce sound frequency or the other circuit

more

Thursday, May 27, 2010

Duracell Portable Inverter – 3000 Watts

The best contemporary technology combined with traditional Marantz quality. That’s what the Marantz AV8003 is all about. It’s more than just an outstanding A/V processor. click to see/view price of Duracell Portable Inverter – 3000 Watts

Wednesday, May 19, 2010

Circuit Alarm

This be simple circuit alarm diagram for extremely the electronics everyone.
Try build keep be usable example , alarm system of the usability
be home security alarm circuit, car alarm circuit, fire alarm circuit,
burglar alarm circuit etc. By compose many circuits as follows �

Proximity Detector Using CS209
Rain Alarm using NE555
Low Cost Fire Alarm Circuit Using Transistor
Fire Alarm Using Thermistor
Chamberlain Wireless Alert System
Water Softener Circuit using NE555
8-Zone Water Sensor Alert Kit
Water Sensor Alarm
Wireless Portable Video Security System LCD - Outdoor Camera
Skylink WT-433 Window-Door Sensor
Personal Alarm using IC 74HC04
Lamp flashing alarm automatic
Car Alarm Simulator
Car Burglar Alarm system with radio wave signal
Car Burglar Alarm timer delay using NE556
Simple Metronome using transistor
Warbling Alarm Circuit with tone Generator
Wireless Home Security System Calls Your Cell Phone
Home and Vehicle 2-Zone Alarm Pager System
Emergency power siren 6 watt
Water Sensor Alarm Kit
Car Alarm Simulator by LM324
Water Sensor Alarm using LM380
Two Tone Alarm generator using LM3900
Electronic Watch Dog Kit
Mini Emergency Light by 9013 transistor
Headlight Alarm
Powerful Siren by BC337
One-IC two-tones Siren with IC 4093
Electronic Siren by IC Digital
Single Zone Digital CMOS Alarm
Miniature Loop Alarm
Red Alert Startrek Alarm by IC 555
American Police Car Siren by IC 555
British Police Car Siren by IC 555
Two HiJack Alarms by 4001
Water Alarm with LM380
Two Tone Alarm with IC LM3900
Mosfet 6 Watt Siren
Travel Touch Alarm
Assortment of Siren Circuits

Thursday, May 13, 2010

schmitt trigger comparator

LM555 Timer Used As A Voltage Comparator Or Schmitt Trigger


The next section shows how the LM555 timer could be used as a voltage comparator or a wide offset Scmitt Trigger. Applications for which it ...

Touch Motor Control by SCR and Schmitt Trigger

This circuit designs for control DC Motor 12Volt. By use the touch once Motor as a result turn go to once. When use a finger touches the ...

cmos crystal oscillator circuit

Crystal Oscillator with IC Digital 74HC04


The circuit above is a parallel resonant oscillator circuit. ... 32.768 KHz oscillator using a watch crystal · Cmos Logic Clock Oscillator ...

X'tal Oscillator Frequency by 74LS04

This circuit may used as clock frequency for many digital circuits. ... 32.768 KHz oscillator using a watch crystal · Cmos Logic Clock Oscillator by Ic 4011 ...

CMOS Crystal Frequency Multiplier

A disadvantage is that such a circuit would quickly become quite ... 32.768 KHz oscillator using a watch crystal · Cmos Logic Clock ...

Friday, May 7, 2010

FM Stereo Transmitter with IC BA1404

ntegrated FM radio transmitter that I like better for āļ‹ Pure Born BA1404 IC is a single signal in stereo to FM radio quality as the mineral quartz frequency with Bristol. Not a signal stir Suitable for the study of radio transmitters. Improve the balance. Send to a higher power. Frequency is 88MHZ - 108MHz frequency area covered. 3V low power and culture is running. You may also be adapted to any set of signals for iphone Link

Simple Digital Counter by 4026

Range from simple digital ICs No. 4026 as driver tubes and a range of LED 7 counted. Has great convenience.
For experiments to learn more digital electronic circuit according to Link.

Wednesday, May 5, 2010

One shot circuit

The one short circuit, be the circuit delays one kind. It work with something trigger of logic digital signal.
It cause way change output follow while note. Which there are various circuit examples for consider,
choose use cough abundantly that is appropriate.

555 timer Mono stable (one shot) circuit
19 Apr 2007 ... The two circuits below illustrate using the 555 timer to close a relay
for a predetermined amount of time by pressing a momentary N/O push ...

One - Shot Timer by IC 555
This is digital circuit, It is One - Shot Timer make by IC 555. Power supply 5-15V,
Output pin 3, Input pin 2 Trigger input. One - Shot Timer by IC 555.

One-Shot By IC Quad Timer 558
23 Jul 2007 ... One-Shot By IC Quad Timer LM558 When mention the circuit
One Shot friends at take an interest digital side may know good that how much is it ...

Simple Touch Switch One Shot by 4011
17 Apr 2008 ... Here is a simple touch control switch, I use IC 4011. Logic HI
at output is timer pulse delay control by C1 1S = C1 4.7uF(micro farad), ...

Monostable Flip Flop
19 Apr 2007 ... The circuit then remains in a stable state until the next input.
The one shot circuit on the right employs two logic inverters which are ...

One-Shot by IC 74LS02
15 Aug 2007 ... This is circuit Digital One-Shot, use IC TTL Digital 74LS02 :
QUAD 2-INPUT NOR GATE . Time Output = 0.8xRxC Related Links More digital ...

Monostable Multivibrator by 4538
26 Mar 2008 ... When you trigger the chip the output sends off one single pulse or one ...
More circuit about one shot · One-Shot By IC Quad Timer 558 ...

Thursday, April 15, 2010

Switch circuit

Automatic Lamp Control with Light Sensitive Switch
7 Feb 2008 ... The circuit above is an automatic switch which functions in absence of light.
The IC 4060 works as an oscillator and the generated signal is ...

Light Sensitive Switch with LDR + 2N2926
18 May 2007 ... Click to View Circuit Light Sensitive Switch with LDR + 2N2926
This be circuit warn when be become dark, or Light sensitive switch.

Sound SCR Switch by IC 1458 & SCR C106D
This is Sound SCR Switch Using IC 1458 & SCR C106D, It is Electronic control circuit.

Frost Alarm or Cold Activated Switch by IC 741
A simple thermistor triggered cold switch with adjustable threshold. Notes:
The thermistor used has a resistance of 15k at 25 degrees and 45k at 0 degrees ...

One Button On Off Switch by 4093 and IRFZ44
7 Feb 2008 ... The load is driven by the MOSFET IRFZ44 and 4093 AND gates
are used in the circuit. The output of the 4093 IC drives the MOSFET.

Simple Touch Switch One Shot by 4011
17 Apr 2008 ... Here is a simple touch control switch, I use IC 4011. Logic HI
at output is timer pulse delay control by C1 1S = C1 4.7uF(micro farad), ...

Voltage Controlled Switch using 555 Timer
IC 555 Circuit, Voltage Controlled Switch using 555 Timer. ...
In this circuit the 555 timer is used in a novel way, as a voltage controlled switch. ...

Capacitive Sensor(Touch switch relay) with BC337
14 Sep 2007 ... Special design for shop-windows animation Useful for many
types of touch controls Parts: R1,R2_____1M 1/4W Resistors R3,R4____47K 1/4W.

Current-Limit Switch Is Digitally Programmable
17 Dec 2007 ... Current-limit switches are virtually ubiquitous in system controls.
They provide a safe means for regulating the current delivered to a load ...

PBS Switch Debouncing by 555
17 Apr 2008 ... This circuit will remove the transient spikes and contact bounces
from a non-latching push button switch. Using a 555 timer as a monostable ...

100 Seconds Duration On Switch with Touch Control by 555
7 Feb 2008 ... This is a touch control switch which keeps the circuit on about 100 seconds
after touching the plate connected to the 2 numbered pin.

Standard Touch Switch by Gate of IC 4011
27 Apr 2008 ... This circuit uses a 4011 logic gate digital as the bases of the touch switch.
It are Standard and very easy because I used a Gate of IC 4011 ...

Touch Switch By IC 4001 & 4020
18 May 2007 ... Circuit Touch Switch By IC CD4001, CD4020 This be touch switch
be simple again the circuit. It use integrated digital circuit is important ...

High Current MOSFET Toggle Switch with Debounced Push Button
24 Apr 2007 ... This circuit was adapted from the Toggle Switch Debounced Pushbutton
by John Lundgren. It is particularly useful in controlling a load from ...

Autoformer Switch-Mode Power Supply
18 Feb 2008 ... This is a small 2*25 (actually, 2*50) WPC amplifier with 3-order
crossover stage (configurable as LP or HP). Of particular interest is the ...
CMOS 4013 Switch
30 Jul 2008 ... The voltage generated by a piezo transducer can activate a digital circuit.
One may build a simple demonstration switch from a piezo ...

Switch-Mode Power Converters: Design and Analysis
14 Nov 2007 ... This book introduces an innovative, highly analytical approach to symbolic,
closed-form solutions for switched-mode power converter circuits ...

Touch Switch using digital IC
7 Dec 2008 ... If friends seek touch switch Circuit model to be simple.
I begs for to advise this circuit, use integrated digital circuit number IC 4011 ...

Switch-Mode LED Backlight by MAX1698
22 Mar 2008 ... White-LED backlights are gaining acceptance because they
offer higher reliability and simpler drive circuitry than those based on CCFL and ...

12V 10A Dark Activated Switch by LM324
3 Oct 2007 ... The circuit is a combination manual switch and automatic dark-activated switch.
It is designed to control up to 10 amps of 12V lights.

555 timer as a switch-mode power supply
27 Dec 2007 ... Most switch-mode power supplies rely on a PWM
(pulse-width-modulated) output that is controlled via voltage feedback.

Temperature Window switch by IC 741
16 Oct 2007 ... This circuit, is basically a resistance sensing window switch,
except that the resistor takes the form of an NTC thermistor and ...

Bounceless Switch by IC 555
Bounceless Switch by IC 555. ... This is circuit Bounceless Switch , Use IC 555 Timer for Easy
Timer circuit. Output pin 3 pluse 0.1s. Control by push S1. ...

Opto-Thermo Control Relay Switch with IC 741
18 May 2007 ... Circuit Opto-Thermo Control Relay Switch with IC 741
This be Electronic switch circuit is onely. Which work with the light and the ...

Light Relay Switch By BC547 & BC337
This Circuit is easy, Light Relay Switch By BC547 & BC337. Circuit Light Relay Switch
By BC547 & BC337 PCB Light Relay.

Fairchild Power Switch
18 Mar 2008 ... The PWM controller features integrated oscillator to be synchronized
with the external sync signal, under voltage lockout, optimized gate ...

Circuit Lighting : Light Sensitive Switch with LDR + 2N2926
Circuit Lighting , Light Sensitive Switch with LDR + 2N2926.

IC 4049 Bounceless Switch
This is Bounceless Switch using IC 4049 , It is Electronic control circuit.

555 IC Timer control relay Switch
18 May 2007 ... Click to View Circuit 555 IC Timer control relay Switch This the circuit sets
the time to are simple one that interesting , because use IC ...

Ultrasonic circuit

Ultrasonic Range Meter by PIC16F873
8 Jan 2008 ... This circuit is measuring the range to an object by using ultrasonic
transmitter and ultrasonic receiver. The distance is calculated by PIC ...

Ultrasonic Pest Repellent by CD4013
27 Oct 2008 ... It is well know that pests like rats, mice etc are repelled by ultrasonic
frequency in the range of 30 kHz to 50 kHz.

Ultrasonic Parking Sonar by 4017
6 Feb 2008 ... It works on the sonar principle, sending an ultrasound burst and listening for
first echo. The burst generated by the oscillator built ...

Ultrasonic Parking Sonar by 40106
5 Oct 2007 ... Feautures: * automatic switch on on rear gear * led-bargraph display
* audible bleep on last led * good old design style, no.

Tuesday, April 13, 2010

Timer circuit

This is timer circuit, , which compose the circuit controls, delay the work.
When expire warn or use control other get. The majority is will the circuit is simple,
then build not difficult. For example NE555 integrated circuit leads come to are usable,
The circuit delays with the transistor and other again many the circuit.

555 Asymmetric Timer
A simple astable timer made with the 555, the mark (on) and space (off)
values may be set independently. The timing chain consists of resistors Ra, ...

555 Timer 5 to 30 Minute
However you must use the CMOS type 555 timer designated the 7555,
a normal 555 timer will not work here due to the resistor values. ...

Timer Plus Relay by IC 555
Timer Plus Relay by IC 555. ... Use IC 555 Timer (HOT IC) and Relay 6V ,
Volt supply 9V. R1 and C1 control timer relay 11 S. Trigger circuit pin 2 to switch ...

Voltage Controlled Switch using 555 Timer
IC 555 Circuit, Voltage Controlled Switch using 555 Timer. ... In this circuit the 555 timer
is used in a novel way, as a voltage controlled switch. ...

Car Burglar Alarm timer delay using NE556
12 Jan 2009 ... Car Burglar Alarm timer alarm system circuit , model to economize.
This circuit convenients for to set up in an automobile. usually switch ...

One - Shot Timer by IC 555
This is digital circuit, It is One - Shot Timer make by IC 555. Power supply 5-15V, Output pin 3,
Input pin 2 Trigger input. One - Shot Timer by IC 555.

Astable Timer with PIC 12F629 - 12F675
5 Jun 2009 ... This software functions as a long period astable mutivibrator.
The mark and space period can be set from 1 second up to a maximum 65535 ...

PIC16F628 Digital Clock Timer
1 Feb 2008 ... This clock timer uses a PIC16F628 microcontroller to display 3 and 1/2 digit
time and control an external load. It can be programmed to time ...

Basic Timer By IC Quad Timer LM558
23 Jul 2007 ... Basic Timer By IC Quad Timer 558 Today I begs for to advise
the circuit timer the foundation. By use the integrated circuit number LM558 (IC ...

RS - Flip-Flop Made With A LM556 Timer
5 Sep 2009 ... The circuit on this page is for a hybrid - SET / RESET type of
logic Flip-Flop that is constructed from an LM556 - Dual Timer integrated ...

Power Saver & Timer Kit
12 Sep 2009 ... This little timer kit can be easily added to any existing project
to allow for automatic shutoff. Tons of applications; heating, cooling, ...

D - Flip-Flop Made With A LM556 Timer
23 Aug 2009 ... This circuit is a hybrid - D type Flip-Flop that is constructed from an LM556 -
Dual Timer integrated circuit. The circuit is essentially a ...

One-Shot By IC Quad Timer 558
23 Jul 2007 ... One-Shot By IC Quad Timer LM558 When mention the circuit One Shot friends
at take an interest digital side may know good that how much is it ...

ZN1034E Timer
This entry was posted on Sunday, May 20th, 2007 at 3:23 pm and is filed under Audio - Alarm,
Circuit, Timer. You can follow any responses to this entry ...

Relay Timer switch By IC 555 and 741
29 Aug 2007 ... In Fig.1 see a 100 second delayed turn ON relay RL1 switch, if plug power +12V
in circuit. In Fig.2 see a two range 6-60 second and 1-10 ...


Basic 555 Timer Oscillator
26 Apr 2008 ... The circuit on the left shows the standard astable oscillator circuit for
the NE555N IC. This si the basic circuit that is shown in most ...

555 timer as a switch-mode power supply
27 Dec 2007 ... Most switch-mode power supplies rely on a PWM (pulse-width-modulated)
output that is controlled via voltage feedback. A 555-timer IC can ...

Basic Timer Control with NE555
13 Aug 2008 ... As friends many take an interest the circuit about IC 555 which
be integrated highly popular that circuit. I then lead the circuit sets the ...

Circuit Egg Timer By LM555
22 May 2007 ... Click to View Circuit Egg Timer By 555 This is Easy and Mini Timer Circuit
( Egg Timer) by IC 555. Alarm by Buzzer. This be mini timer ...

simple timer with IC 4093 + 7808
31 Aug 2007 ... The on time of the timer is set by the one shot built with R2/R3 C3 and IC2A:
after pressing pushbutton S1 C3 will be charged slowly through ...

Circuit Egg Timer By 555
IC 555 Circuit, Circuit Egg Timer By 555. ... This is Easy and Mini Timer Circuit
( Egg Timer) by IC 555. Alarm by Buzzer. Circuit Egg Timer by LM555 ...

LM555 Timer Used As A Voltage Comparator Or Schmitt Trigger
22 Oct 2009 ... The next section shows how the LM555 timer could be used as
a voltage comparator or a wide offset Scmitt Trigger. Applications for which it ...

555 timer pulse generator
31 Jan 2008 ... To drive ignition coils is to use a 555 timer pulse generator.
A 555 generates a square wave output that triggers the 2N3055.

Basic Timer using FET 2N3819
8 Sep 2008 ... This circuit be Basic Timer Circuit by use important equipment is FET 2N3819.
By this circuit can can delay long ago arrive at 1.5 minute.

Timer Circuit by FET + Transister
20 May 2007 ... Circuit Timer Circuit by FET + Transister. ... ZN1034E Timer
LED Chaser by IC 4017 + IC 555 ». Timer Circuit by FET + Transister ...

Tan Timer by IC 4060 and IC 4017
26 Oct 2008 ... Six timing positions suited to different skin types Timing affected
by sunlight intensity Six timing positions suited to different skin ...

Touch Switch low cost by Timer IC 555
15 Oct 2008 ... This Touch Switch circuit use a part compares with voltage 2 group,
within the integrated circuit timer LM555 or NE555.

Timer Plus Relay by IC 555
29 Jun 2007 ... This be Timer Plus Relay Circuit by IC 555. When see the circuit also
a little equipment. By the value R1 and C1 perform set the time give ...

Fully Adjustable Pulse Generator By IC Quad Timer 558
29 Jul 2007 ... Fully Adjustable Pulse Generator By IC Quad Timer LM558 Be the circuit
that is valuable very , because frequency pulse fine get freely do ...

Monday, April 12, 2010

stepper motor circuit


Stepper Motor controller by PIC16F84
9 Jan 2008 ... On these pages, I will introduce a control circuit for stepper motor.
The software of this project is adapted to Embedded Systems(Lab13) for ...

Stepper Motor Driver using L298 and L297
This Step motor controller uses the L297 and L298N driver combination;
it can be used as stand alone or controlled by microcontroller.

Basic Stepper Motor Driver by 74194
19 Mar 2008 ... The following diagram is for the main circuit of the motor driver.
A testing version is shown later on this page.

Stepper Motor Driver by 74194
2 Feb 2008 ... Probably the simplest, reversible drive circuit is the H-Bridge.
Some BEAMbots use H-bridge motor drivers; many more use an H-bridge variant ...

74LS194, 74LS04 drive a stepper motor
19 Sep 2007 ... There are so many ways to drive a stepper motor, Here is another circuit that use
74LS194 4 bit bi-directional universal shift register as a ...

4013 and IRF510 Easy drive a stepper motor
19 Sep 2007 ... Here is easy circuit drive a stepper motor with pulse input.
Use IC 4013 (IC Cmos) and Mosfet IRF510 drive Motor Stepper.

Driving Bipolar Stepper Motors by PIC16F84
4 Feb 2008 ... Stepper motors are devices, which convert electrical impulses into discrete
mechanical rotational movements. In a typical stepper motor, ...

Stepper Motor Driver by SN74194
9 Nov 2007 ... This page features an inexpensive stepper motor driver that could be used
to power slow speed projects on the layout or other hobby ...

Simple Stepper Motor Controller by 4027 , 4070
5 Oct 2007 ... Click to View Circuit and Read More I found this circuit in my files.
I don't know where it came from, but it looks like I photocopied it ...

ULN2003 Control Stepper Motor by Parallel Port
15 May 2008 ... This is an easy to build stepper motor driver that will allow you to precisely
control a unipolar stepper motor through your computer's ...

Stepper Motor Driver Kit
28 Jul 2009 ... The motors are top quality, but how the heck do you drive them without
shelling out a fortune? Lightweight, with Ramsey Super Stepper!

Sunday, March 21, 2010

āļ§āļ‡āļˆāļĢ IC-TL494

āļĢāļ§āļĄāļ§āļ‡āļˆāļĢāļ—ี่āđƒāļŠ้āđ„āļ­āļ‹ี āđ€āļšāļ­āļĢ์ TL494 (tl494 circuits) āđ„āļ­āļ‹ีāđ€āļšāļ­āļĢ์āļ™ี้ āļ—āļģāļŦāļ™้āļēāļ—ี่āđ€āļ›็āļ™ Pulse-width Modulation Control Circuits āđ€āļŦāļĄāļēāļ°āļŠāļģāļŦāļĢัāļšāļ„āļ§āļšāļ„ุāļĄāļ„āļ§āļēāļĄāđ€āļĢ็āļ§āļĄāļ­āđ€āļ•āļ­āļĢ์ āļŦāļĢืāļ­āļ§āļ‡āļˆāļĢāļˆ่āļēāļĒāđ„āļŸāļŠāļ§ิāļŠāļŠิ่āļ‡ āđ€āļžāļĢāļēāļ°āđƒāļŠ้āđ€āļ—āļ„āļ™ิāļ„ PWM āļ‹ึ่āļ‡āļ™ิāļĒāļĄāđƒāļŠ้āļัāļ™āļĄāļēāļ

PWM Control Speed Motor 12V By TL494 āļ§āļ‡āļˆāļĢāļ„āļ§āļšāļ„ุāļĄāļ„āļ§āļēāļĄāđ€āļĢ็āļ§āļĄāļ­āđ€āļ•āļ­āļĢ์āđāļšāļš PWM
INVERTER 4W by TL494 āļ§āļ‡āļˆāļĢāļ­ิāļ™āđ€āļ§āļ­āļĢ์āļ§āđ€āļ•āļ­āļĢ์āļ‚āļ™āļēāļ”āđ€āļĨ็āļ āļ”้āļ§āļĒāđ„āļ­āļ‹ีāđ€āļšāļ­āļĢ์ TL494
POWER SUPPLY ATX PC 200W āļ§āļ‡āļˆāļĢāļˆ่āļēāļĒāđ„āļŸāļ‚āļ­āļ‡āđ€āļ„āļĢื่āļ­āļ‡āđ€āļžāļēāđ€āļ§āļ­āļĢ์āļ‹ัāļžāļžāļĨāļēāļĒāļ„āļ­āļĄāļžิāļ§āđ€āļ•āļ­āļĢ์āļĢุ่āļ™āđ€āļ่āļē
computer power supply 230W 220V PC āđ€āļžāļēāđ€āļ§āļ­āļĢ์āļ‹ัāļžāļžāļĨāļēāļĒ āļ‚āļ™āļēāļ” 230Watt
power supply regulator switching 0-50V 5A by TL494 , MJ15004 āļ§āļ‡āļˆāļĢāļˆ่āļēāļĒāđ„āļŸāļŠāļ§ิāļ•āļŠิ่āļ‡āļ‹ัāļžāļžāļĨāļēāļĒāļ›āļĢัāļšāļ„่āļēāđ„āļ”้ 0-50V 5A
Autoformer Switch-Mode Power Supply by TL494
200W PC power supply switching 110V-220V Computer power supply switching regulated
Old power supply computer by TL494āļ§āļ‡āļˆāļĢāļˆ่āļēāļĒāđ„āļŸāļ„āļ­āļĄāļžิāļ§āđ€āļ•āļ­āļĢ์āđ€āļ่āļēāđ† āđƒāļŠ้āđ„āļ­āļ‹ี TL494 āđ€āļ›็āļ™āļ­ุāļ›āļāļĢāļ“์āļŠāļģāļ„ัāļ

Monday, February 22, 2010

Digital circuit

āļĢāļ§āļĄāļ§āļ‡āļˆāļĢāļ”ิāļˆิāļ•āļ­āļĨāļ•่āļēāļ‡āđ† āđ‚āļ”āļĒāđ€āļ™้āļ™āđ€āļ›็āļ™āļĨัāļāļĐāļ“āļ° Simple digital circuit āļ—ี่āļ‡่āļēāļĒāđ† āđ„āļ§้āļŦāļĨāļēāļĒāļ§āļ‡āļˆāļĢ āđ€āļŠ่āļ™ āļ”ิāļˆิāļ•āļ­āļĨāļĨāļ­āļˆิāļ, āļāļģāđ€āļ™ิāļ”āļŠัāļāļāļēāļ“, āļ‡āļēāļ™āļ„āļ§āļšāļ„ุāļĄ,āļ•ั้āļ‡āđ€āļ§āļĨāļē,āļ§āļ‡āļˆāļĢāļ™ัāļš,āļ§āļ‡āļˆāļĢāļŦāļēāļĢāļ„āļ§āļēāļĄāļ–ี่āđāļĨāļ°āļ­ื่āļ™āđ†
āđ€āļŠ่āļ™
Monostable Multivibrator by 4538
āļ™ี่āđ€āļ›็āļ™āļ§āļ‡āļˆāļĢāđ‚āļĄāđ‚āļ™āļŠāđ€āļ•āđ€āļšิāļĨ āļĄัāļĨāļ•ิāđ„āļ§āđ€āļšāļĢāđāļ•āļ­āļĢ์ āļŦāļĢืāļ­āļ§āļ‡āļˆāļĢāļ§ัāļ™āļŠāļ­āļ• āļ­ีāļāļ§āļ‡āļˆāļĢāļ—ี่āļ™่āļēāļŠāļ™āđƒāļˆ āļ āļēāļĒāđƒāļ™āđ„āļ­āļ‹ีāđ€āļšāļ­āļĢ์ CD4538 āļ›āļĢāļ°āļāļ­āļšāļ”้āļ§āļĒ 2 āļ•ัāļ§ āļ—āļģāļ‡āļēāļ™āļ­ิāļŠāļĢāļ°āļ”ี āļŠāļēāļĄāļēāļĢāļ–āļāļģāļŦāļ™āļ”āļāļēāļĢāļŦāļ™่āļ§āļ‡āđ€āļ§āļĨāļēāđ„āļ”้ RC āļĢāļēāļĒāļĨāļ°āđ€āļ­ีāļĒāļ”āđ€āļžิ่āļĄāđ€āļ•ิāļĄāđƒāļ™āļ§āļ‡āļˆāļĢ

āļŠāļēāļĄāļēāļĢāļ–āļ”ูāļ§āļ‡āļˆāļĢāļ­ื่āļ™āđ† āđ„āļ”้ digital circuit

Wednesday, February 17, 2010

Electronic circuits āļĄāļēāļāļĄāļēāļĒ

āļĢāļ§āļĄāļ§āļ‡āļˆāļĢāļ­ิāđ€āļĨ็āļāļ—āļĢāļ­āļ™ิāļāļŠ์āļ•่āļēāļ‡āđ† āļĄāļēāļāļĄāļēāļĒ āđ‚āļ”āļĒāđ€āļ™้āļ™āļ—ี่āđ„āļ”āļ­āļ°āđāļāļĢāļĄāļ‡่āļēāļĒāđ† āđāļĨāļ°āđ„āļ”้āļ™ัāļšāļ„āļ§āļēāļĄāļ™ิāļĒāļĄāļŠูāļ‡ āđ€āļžีāļĒāļ‡ 25 āļ›āļĢāļ°āđ€āļ āļ— āļ›āļĢāļ°āļĄāļēāļ“ 1,000 schematic
āļ§āļ‡āļˆāļĢāļ­ิāļ™āđ€āļ§āļ­āļĢ์āđ€āļ•āļ­āļĢ์ power inverter āđāļ›āļĨāļ‡āđ„āļŸāđāļšāļ•āđ€āļ•āļ­āļĢี่ āđ€āļ›็āļ™āđ„āļŸāļš้āļēāļ™ AC 220V āđƒāļŠ้āļ‡āļēāļ™āđ„āļ”้āļŠāļšāļēāļĒ
āļ§āļ‡āļˆāļĢāļ„āļ§āļšāļ„ุāļĄāļĄāļ­āđ€āļ•āļ­āļĢ์ Control DC Motor, Stepper motor,sevo motor āļĄีāļŦāļĨāļēāļĒāļ§āļ‡āļˆāļĢ
āđ€āļี่āļĒāļ§āļัāļš IC 555 āļ§āļ‡āļˆāļĢāļŠุāļ” 1 āļ§āļ‡āļˆāļĢāļ‚āļĒāļēāļĒāđ€āļŠีāļĒāļ‡āđ‚āļ­āļ—ีāđāļ­āļĨ āđ€āļŠีāļĒāļ‡āļ”ีāđ„āļĄ่āđāļž้āđƒāļ„āļĢ (āļĄีāđāļœ่āļ™āļ›āļĢิāļ™āļ•์āļ”้āļ§āļĒ)
āļĢāļ§āļĄāļ§āļ‡āļˆāļĢāļ‚āļĒāļēāļĒāđ€āļŠีāļĒāļ‡ home amplifier,high power amp, mosfet amp, transistor amplifier
āļ§āļ‡āļˆāļĢāļ„āļ§āļšāļ„ุāļĄāļ•่āļēāļ‡āđ† Control Electronic Circuit, Switch timer,touch Switch,power control
āļ§āļ‡āļˆāļĢāļ‚āļĒāļēāļĒāđ€āļŠีāļĒāļ‡āļĢāļ–āļĒāļ™āļ•์ Audio Car Amplifier, āđāļ­āļĄāļ›์āļĢāļ–āļĒāļ™āļ•์ āļĄāļēāļāļĄāļēāļĒāļŦāļĨāļēāļĒāļ§āļ‡āļˆāļĢ
āļ§āļ‡āļˆāļĢāļˆ่āļēāļĒāđ„āļŸāđ€āļĢ็āļāļูāđ€āļĨāđ€āļ•āļ­āļĢ์ Switching Power supply Circuit, DC Voltage Regulator Circuit
āđ€āļี่āļĒāļ§āļัāļš āļŦāļĨāļ­āļ”āđ„āļŸāđāļŠāļ‡āļŠāļ§่āļēāļ‡ āļ§āļ‡āļˆāļĢ LED Lamp , LED display, Light Flashing
āļ§āļ‡āļˆāļĢāļ—ีāļ§ี āđāļĨāļ° āļ§āļ‡āļˆāļĢāļĄāļ­āļ™ิāđ€āļ•āļ­āļĢ์ Circuit TV, Monitor Circuit
āļ§ิāļ—āļĒุāļĢัāļšāļŠ่āļ‡ FM transmitter, āđ€āļ„āļĢื่āļ­āļ‡āļĢัāļš FM , āđ€āļ„āļĢื่āļ­āļ‡āļŠ่āļ‡ FM (āđ€āļ­āļŸāđ€āļ­็āļĄ), āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“āļ—ีāļ§ี
āđ€āļี่āļĒāļ§āļัāļšāđāļšāļ•āđ€āļ•āļ­āļĢี่āļ„่āļ° Battery Circuit,lithium battery,battery charger,cell battery
āļ§āļ‡āļˆāļĢ āļ”ีāļ‹ี āļ—ู āļ”ีāļ‹ี āļ„āļ­āļ™āđ€āļ§āļ­āļĢ์āđ€āļ•āļ­āļĢ์ DC to DC Converter Circuit, Step up Voltage
āļĢāļ§āļĄāļ§āļ‡āļˆāļĢāļˆ่āļēāļĒāđ„āļŸāđāļšāļšāļŠāļ§ิāļ•āļŠิ่āļ‡ Switching power supply, Power supply Switching mode regulater
āļ§āļ‡āļˆāļĢāđāļ­āļĄāļ›์āļĄāļ­āļŠāđ€āļŸāļ• (Mosfet Amp)
āļ§āļ‡āļˆāļĢāļˆ่āļēāļĒāđ„āļŸāļ•āļĢāļ‡āļ„่āļēāļ„āļ‡āļ—ี่ āđāļŦāļĨ่āļ‡āļˆ่āļēāļĒāđ„āļŸ āļ„āļ‡āļ—ี่ Fix dc power supply Voltage
electronic test equipment āļ§āļ‡āļˆāļĢāđ€āļ„āļĢื่āļ­āļ‡āļĄืāļ­āļ§ัāļ” āļ—āļ”āļŠāļ­āļšāļ­ิāđ€āļĨ็āļāļ—āļĢāļ­āļ™ิāļāļŠ์ speed test
āļ§āļ‡āļˆāļĢāļ”ิāļˆิāļ•āļ­āļĨ Digital circuit, Oscilator, Counter, āļ§āļ‡āļˆāļĢāļ™ัāļš,āļ§āļ‡āļˆāļĢāļŦāļēāļĢāļ„āļ§āļēāļĄāļ–ี่, āļ§āļ‡āļˆāļĢāļœāļĨิāļ•āļŠัāļāļāļēāļ“āļ™āļēāļŽิāļāļē
āđ€āļ„āļĢื่āļ­āļ‡āļัāļ™āļ‚āđ‚āļĄāļĒāļัāļ™āļ‚āđ‚āļĄāļĒ,home alarm system,home security alarm
āļ§āļ‡āļˆāļĢāļˆ่āļēāļĒāđ„āļŸāļāļĢāļ°āđāļŠāļŠูāļ‡āđ† High power current supply, 10A up
āļĢāļ§āļĄāļ§āļ‡āļˆāļĢāļĄืāļ­āļ–ืāļ­ Mobile Phone Circuit, Nokia, sony
āļšāļ—āļ„āļ§āļēāļĄ: āđ„āļĄāđ‚āļ„āļĢāļ„āļ­āļ™āđ‚āļ—āļĢāļĨāđ€āļĨāļ­āļĢ์
āļ§āļ‡āļˆāļĢāļ•āļĢāļ§āļˆāļ§ัāļ” āļ—āļ”āļŠāļ­āļš (āđ€āļŠ็āļ speed test)
āļ§āļ‡āļˆāļĢ LED Display
āļšāļ—āļ„āļ§āļēāļĄ: āđ‚āļ„āļĢāļ‡āļ‡āļēāļ™āļˆิ๋āļ§+āđāļˆ๋āļ§
pcb power supply

Switching Power Supply āđ€āļ„āļĢื่āļ­āļ‡āļŠāļ§ิāļ•āļŠิ่āļ‡āļ‹ัāļžāļžāļĨāļēāļĒāļ•่āļēāļ‡āđ† :: Power supply circuitāļ§āļ‡āļˆāļĢāđāļŦāļĨ่āļ‡āđ€āļžāļēāđ€āļ§āļ­āļĢ์āļ‹ัāļžāļžāļĨāļēāļĒ
High Voltage power supply Small Circuit :: DC Power Supply :: LED Display āļ§āļ‡āļˆāļĢ LED āđāļŠāļ”āļ‡āļœāļĨāđ„āļ”้āļ”ี
Power Supply Circuit āļ§āļ‡āļˆāļĢāļˆ่āļēāļĒāđ„āļŸāļ­ีāļāđāļšāļš :: tone control circuitāđ‚āļ—āļ™āļ„āļ­āļ™āđ‚āļ—āļĢāļĨāđ€āļ‹āļ­āļĢ์āļิāļ•
Pwm Motor Control āļ„āļ§āļšāļ„ุāļĄāļ„āļ§āļēāļĄāđ€āļĢ็āļ§āļĄāļ­āđ€āļ•āļ­āļĢ์āļ”้āļ§āļĒ PWM :: Step Motor Control āļ§āļ‡āļˆāļĢāļ„āļ§āļšāļ„ุāļĄāļŠāđ€āļ•็āļšāđ€āļ›āļ­āļĢ์āļĄāļ­āđ€āļ•āļ­āļĢ์
Burglar Alarm Circuit āļ§āļ‡āļˆāļĢāļัāļ™āļ‚āđ‚āļĄāļĒāļ­ีāļāļ§āļ‡āļˆāļĢ :: āđ€āļ‹āļ­āļĢ์āđ‚āļ§āļĄāļ­āđ€āļ•āļ­āļĢ์ āļ§āļ‡āļˆāļĢāđ€āļ‹āļ­āļĢ์āđ‚āļ§āļĄāļ­āđ€āļ•āļ­āļĢ์āļ„āļ­āļ™āđ‚āļ—āļĢāļĨ
Electronic Test Equipment āļ§āļ‡āļˆāļĢāđ€āļ„āļĢื่āļ­āļ‡āļĄืāļ­āļ§ัāļ”āļ­ีāļāđāļšāļš :: Home alarm system āļ§āļ‡āļˆāļĢāļĢāļ°āļšāļšāļัāļ™āļ‚āđ‚āļĄāļĒāđƒāļ™āļš้āļēāļ™
Dimmer circuit āļ§āļ‡āļˆāļĢāļŦāļĢี่āđ„āļŸāļ­ิāđ€āļĨ็āļāļ—āļĢāļ­āļ™ิāļāļŠ์ :: FM Transmitter āļ§āļ‡āļˆāļĢāđ€āļ­็āļŸāđ€āļ­็āļĄāļ—āļĢāļēāļ™āļŠāļĄิāļŠāđ€āļ•āļ­āļĢ์
RF Amplifier āļ§āļ‡āļˆāļĢāļ­āļēāļĢ์āđ€āļ­āļŸ āđāļ­āļĄāļ›āļĨิāļŸāļĨāļēāļĒ :: dc converter step up volt āļ§āļ‡āļˆāļĢāļ”ีāļ‹ีāļ„āļ­āļ™āđ€āļ§āļ­āļĢ์āđ€āļ•āļ­āļĢ์āļŠāđ€āļ•็āļšāļ­ัāļšāđ‚āļ§āļĨāđ€āļ•็āļˆ

Voltage Regulator IC :: voltage regulator zener :: lm317 voltage regulator
DC Power supply regulator 38 Volt by 2N3055 :: Mosfet stabilized power supply for Tube Amp :: 12v power supply :: 7805+Mj2955 power supply circuit 5V 5A for digital :: 5V power supply :: 12v 2a power supply

Monday, February 15, 2010

transistor amplifier circuit

āļĢāļ§āļĄāļ§āļ‡āļˆāļĢāļ‚āļĒāļēāļĒāđ€āļŠีāļĒāļ‡āļ—ี่āđƒāļŠ้āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์āđ€āļ›็āļ™āļ­ุāļ›āļāļĢāļ“์āļŠāļģāļ„ัāļ āļĄีāļˆุāļ”āđ€āļ”่āļ™āļ—ี่āđ€āļŠีāļĒāļ‡āļ™ุ่āļĄāļ™āļ§āļĨ āļŸัāļ‡āđ„āļžāđ€āļĢāļēāļ° āđ„āļĄ่āļ™่āļēāđ€āļšื่āļ­

āļŠ่āļ§āļĒāđƒāļŦ้āļœ่āļ­āļ™āļ„āļĨāļēāļĒāļ”ี āđāļĨāļ°āļĢāļēāļ„āļēāļ›āļĢāļ°āļŦāļĒัāļ” āđāļ•่āļ­āļēāļˆāļˆāļ°āļŠāļĢ้āļēāļ‡āļĒāļēāļāļāļ§่āļēāļāļēāļĢāđƒāļŠ้āđ„āļ­āļ‹ีāļ™ิāļ”āļŦāļ™่āļ­āļĒāļ„āļĢัāļš āđ€āļžื่āļ­āļ„āļ§āļēāļĄāļŠāļ°āļ”āļ§āļ

āļ‚āļ­āļ‡āļ—่āļēāļ™ āļœāļĄāļ‚āļ­āđāļ™āļ°āļ™āļģāļ§āļ‡āļˆāļĢāđāļ­āļĄāļ›์āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์(transistor amplifier circuit)āļ—ี่āļ™่āļēāļŠāļ™āđƒāļˆ āļ”ัāļ‡āļ™ี้

High volt mini Amplifier with UJT transistor āļ§āļ‡āļˆāļĢāđāļ­āļĄāļ›์āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ UJT āļ—ี่āđƒāļŠ้āđ„āļŸāđ€āļĨี้āļĒāļ‡āļŠูāļ‡ āļĢ้āļ­āļĒāļāļ§่āļēāđ‚āļ§āļĨāļ•์ āđ€āļ›็āļ™āđ„āļ­āđ€āļ”ีāļĒāļŦāļ™ึ่āļ‡āļ—ี่āļ™่āļēāļĻึāļāļĐāļē

4-Transistor Amplifier for Small Speaker āļ§āļ‡āļˆāļĢāđāļ­āļĄāļ›์āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ 4 āļ•ัāļ§ āļ‡่āļēāļĒāđ† āđ€āļŦāļĄāļēāļ°āļŠāļģāļŦāļĢัāļšāļ—āļģāđāļ­āļĄāļ›์āđƒāļ™āļ•ู้āļĨāļģāđ‚āļžāļ‡āļ‚āļ™āļēāļ”āđ€āļĨ็āļ

Bipolar Amplifier HIFI OCL 100W by BD317-BD318 āļ§āļ‡āļˆāļĢāđāļ­āļĄāļ›์āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์āđ„āļšāđ‚āļžāļĨ่āļēāļĢ์ āđ„āļŪāđ„āļŸ āđ‚āļ­āļ‹ีāđāļ­āļĨ 100Watt āđ€āļŠีāļĒāļ‡āļ”ี āđ€āļ›็āļ™āļ­āļĒ่āļēāļ‡āđ„āļĢ āļĨāļ­āļ‡āļ”ูāļ§āļ‡āļˆāļĢāļัāļ™āđ€āļĨāļĒāļ„āļĢัāļš

300Watt audio amplifier HIFI by MJ15003-MJ15004 Transistor āļŦāļēāļāļˆāļ°āļ—āļģāđāļ­āļĄāļ›์āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์āđƒāļŦ้āļ­āļ­āļāļ‡āļēāļ™ āļ­āļ§āļ”āļŠāļēāļ§āļš้āļēāļ™āđ„āļ”้āļ็āļ•้āļ­āļ‡āļŠุāļ”āļ™ี้āđ€āļĨāļĒ āļ”้āļ§āļĒāļāļģāļĨัāļ‡āļ‚ัāļšāđ€āļžีāļĒāļ‡āļžāļ­ 300 āļ§ัāļ•āļ•์ āļ‡āļēāļ™āļ›āļēāļĢ์āļ•ี้āđ€āļĨ็āļāđ† āļĢัāļšāđ„āļ”้āđ„āļŦāļ§āđāļ™่āļ™āļ­āļ™ āđ€āļŠีāļĒāļ‡āļ™ุ่āļĄāļ™āļ§āļĨāļ”ี āđāļ•่āļ—ุ้āļĄāđāļŦāļĨāļĄāļŠัāļ”āđ€āļˆāļ™ āđ„āļĄ่āļĢāļ­āļ‡āđƒāļ„āļĢ

Easy Amplifier HiFi OCL 150W rms by Transistor āļ™ี่āđ€āļ›็āļ™āļ§āļ‡āļˆāļĢāļ‚āļĒāļēāļĒāđ€āļŠีāļĒāļ‡āļāļģāļĨัāļ‡āļ‚ัāļš 150 watt rms āđ€āļŠีāļĒāļ‡āļ”ีāļ­ีāļāļ§āļ‡āļˆāļĢāļŦāļ™ึ่āļ‡āļ„āļĢัāļš

120W rms power amp OCL Transistor bipolar āļĄāļēāļ­ีāļāđāļĨ้āļ§ āđāļ­āļĄāļ›์āđ„āļšāđ‚āļžāļĨ่āļēāļĢ์ āļāļģāļĨัāļ‡āļ‚ัāļš 120 watt āļ”ูāđāļ™āļ§āļ„ิāļ”āļ§āļ‡āļˆāļัāļ™āļ•āļēāļĄāļŠāļšāļēāļĒāļ„āļĢัāļš

MJE3055+MJE2955 Power Amplifier 60 Watt Into 8 Ohms

Mini Power Amplifier 30W by TIP141 TIP146āļĄืāļ­āđƒāļŦāļĄ่ āļŦāļĢืāļ­ āļ—่āļēāļ™āļ—ี่āļŠāļ­āļšāļŸัāļ‡āđ€āļžāļĨāļ‡āđ€āļšāļē āļ„āļ‡āļŠāļ­āļšāļ§āļ‡āļˆāļĢāļ™ี้ āļāļģāļĨัāļ‡āļ‚ัāļš 30W āđāļ•่āđ€āļŠีāļĒāļ‡āļ”ี āļŠัāļ”āđ€āļˆāļ™ āđƒāļŠ้āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์āļ„ู่āļ”āļēāļĢ์āļĨิāļ‡āļ•ัāļ™ āđ€āļšāļ­āļĢ์ TIP141 āđāļĨāļ° TIP146 āļ—āļ™āļāļģāļĨัāļ‡āđ„āļŸāļŸ้āļēāļŠูāļ‡ āļ‚āļĒāļēāļĒāļāļĢāļ°āđāļŠāđ„āļ”้āđ€āļĒี่āļĒāļĄāļ„āļĢัāļš

50W Audio Power Amp by TIP33 TIP34 āļŠāļģāļŦāļĢัāļšāļ—่āļēāļ™āļ­āļĒāļēāļāļŠāļĢ้āļēāļ‡āđāļ­āļĄāļ›์āļ‚āļ™āļēāļ”āļāļĨāļēāļ‡āđ† āļ›āļĢāļ°āļĄāļēāļ“ 50Watt āļĨāļ­āļ‡āļ”ูāļ§āļ‡āļˆāļĢāļ™ี้āļ็āļ”ี āļˆัāļ”āļ§āļ‡āļˆāļĢāļĨัāļāļĐāļ“āļ°āļ‡่āļēāļĒāđ† āđāļ•่āđ€āļŠีāļĒāļ‡āļ™่āļēāļžāļ­āđƒāļˆāļ”ี

3W - 5W Class-A Audio Amplifier by BD439 āļ—่āļēāļ™āļ—ี่āļ­āļĒāļēāļāļĨāļ­āļ‡āđāļ­āļĄāļ›์ āļ„āļĨāļēāļŠ āđ€āļ­ āļĨāļ­āļ‡āļ”ูāļ§āļ‡āļˆāļĢāļ™ี้āđ„āļ”้āđ€āļĨāļĒ āđāļĄ้āļāļģāļĨัāļ‡āļ‚ัāļšāļ•่āļģāļĄāļēāļāđ† āđāļ•่āļ”้āļ§āļĒāđ€āļ›็āļ™āđāļ­āļĄāļ›์āļ„āļĨāļēāļŠāđ€āļ­ āļ„āļ‡āļŠāļ™āļ­āļ‡āļ„āļ§āļēāļĄāđ€āļŠีāļĒāļ‡āđ„āļ”้āļ”ี āđ€āļŦāļĄāļēāļ°āļŠāļģāļŦāļĢัāļšāļĻึāļāļĐāļēāļ§āļ‡āļˆāļĢāđāļĨāļ°āļŠāļĢ้āļēāļ‡āđ€āļĨ่āļ™āļ‡่āļēāļĒāđ† āļ„āļĢัāļš

24 Watt Class A Amplifier by 2N3055 āļ™ี่āđ€āļ›็āļ™āđāļ­āļĄāļ›์āļ„āļĨāļēāļŠāđ€āļ­ āļ­ีāļāļ§āļ‡āļˆāļĢāļ—ี่āļŠāļ™āđƒāļˆ āļāļģāļĨัāļ‡āļ‚ัāļš 24Watt āļˆึāļ‡āđ€āļŠีāļĒāļ‡āļ”ีāđ„āļĄ่āļ™้āļ­āļĒ āđƒāļŠ้āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์āđ€āļšāļ­āļĢ์āļĒāļ­āļ”āļ™ิāļĒāļĄāļ•āļĨāļ­āļ”āļāļēāļĨāļ­ีāļāļ”้āļ§āļĒ āđ€āļšāļ­āļĢ์ 2N3055 āđ€āļžāļĢāļēāļ°āļŠāļģāļŦāļĢัāļšāļ—่āļēāļ™āļ—ี่āļ­āļĒāļēāļāļŸัāļ‡āđ€āļŠีāļĒāļ‡āđ„āļžāđ€āļĢāļēāļ°āđƒāļ™āļŦ้āļ­āļ‡āļ‚āļ™āļēāļ”āđ€āļĨ็āļāđ† āļ„āļĢัāļš

10-14W Class A amplifier by TIP3055 āļ§āļ‡āļˆāļĢāļ™ี้āđ€āļŦāļĄāļēāļ°āļŠāļģāļŦāļĢัāļšāļĄืāļ­āđƒāļŦāļĄ่āļ­āļĒāļēāļāļĨāļ­āļ‡āđāļ­āļĄāļ›์ class A āļ‡่āļēāļĒāđ† āļāļģāļĨัāļ‡āļ‚ัāļšāđ„āļĄ่āļŠูāļ‡āļ™ัāļāļ›āļĢāļ°āļĄāļēāļ“ 14Watt

10 watt RF amplifier for 18MHz by 2SC1969

30W Class AB amplifier by TIP2955 + TIP3055 āļ§āļ‡āļˆāļĢāļ™ี้āđ€āļŦāļĄāļēāļ°āļŠāļģāļŦāļĢัāļšāļŠāļĢ้āļēāļ‡āđ„āļ§้āļŸัāļ‡āđƒāļ™āļŦ้āļ­āļ‡āđ€āļĨ็āļāđ† āļŦāļĢืāļ­āđ€āļ›็āļ™āđāļ­āļĄāļ›์āđ€āļ›ิāļ”āļŸัāļ‡āđ€āļžāļĨิāļ™ āđ€āļ„āļĢื่āļ­āļ‡āđāļĢāļ āļ—ี่āļŠāļĢ้āļēāļ‡āđ€āļ­āļ‡ āļ ูāļĄิāđƒāļˆāļ”ีāļ„āļĢัāļš

Power Amplifier Class A 25W āļ§āļ‡āļˆāļĢāđāļ­āļĄāļ›์āļ„āļĨāļēāļŠ āđ€āļ­ āļ‚āļ™āļēāļ” 25Watt āļ­ีāļāļ§āļ‡āļˆāļĢ āļ—ี่āļ™่āļēāļŠāļ™āđƒāļˆ

3W HI-FI Stereo Amplifier by 2N1613 āļ§āļ‡āļˆāļĢāđāļ­āļĄāļ›์āđ€āļĨ็āļāđ† āļ­ีāļāļ§āļ‡āļˆāļĢāļ—ี่āļ­āļ­āļāđāļšāļšāđ„āļ”้āļ”ี āđ€āļŠีāļĒāļ‡āđƒāļŠ้āđ„āļ”้āđ€āļĨāļĒāļ„āļĢัāļš

100W Audio Amplifier Transistor by BDW84 , BDW83 āļ­ีāļāļ§āļ‡āļˆāļĢāđāļ­āļĄāļ›์ 100 āļ§ัāļ•āļ•์ āļ—ี่āļ™่āļēāļžāļĨāļēāļ” āļ”ูāđāļ™āļ§āļ„ิāļ”āļ§āļ‡āļˆāđ„āļ”้āđ€āļĨāļĒāļ„āļĢัāļš

2-TRANSISTOR AUDIO AMPLIFIER by BC108 āļ§āļ‡āļˆāļĢāđāļ­āļĄāļ›์āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์āļˆิ๋āļ§ āđ€āļŦāļĄāļēāļ°āļŠāļģāļŦāļĢัāļšāļ‡āļēāļ™āļ‚āļĒāļēāļĒāđ€āļŠีāļĒāļ‡āđ€āļĨ็āļāđ† āļ—ี่āļ—่āļēāļ™āļ­āļĒāļēāļāđƒāļŠ้āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ āļŦāļĢืāļ­ āđƒāļŠ้āđ€āļžื่āļ­āļāļēāļĢāļĻึāļāļĐāļēāļ็āļ”ีāļ—ีāđ€āļ”ีāļĒāļ§āļ„āļĢัāļš

Power Amplifier OCL 50W by BD250C , BD249C

Amplifier Class AB Hi-Fi 70W by MJ15022 , MJ15023 āļ§āļ‡āļˆāļĢāđāļ­āļĄāļ›์āļ‚āļ™āļēāļ” 70āļ§ัāļ•āļ•์ āđ€āļŠีāļĒāļ‡āļ”ี āđ€āļžāļĢāļēāļ°āđ€āļ›็āļ™āļ„āļĨāļēāļŠ āđ€āļ­āļšี āļ—ุ้āļĄāđāļŦāļĨāļĄāļŠāļ°āđƒāļˆ āļ§āļ‡āļˆāļĢāļ­āļ­āļāđāļšāļšāđ„āļ”้āļ”ีāļžāļ­āļŠāļĄāļ„āļ§āļĢ āļ›ัāļāļŦāļēāđ€āļĢื่āļ­āļ‡āļ„āļ§āļēāļĄāđ€āļžี้āļĒāļ™āļ‚āļ­āļ‡āđ€āļŠีāļĒāļ‡āļ™้āļ­āļĒāļ”้āļ§āļĒāļ„āļĢัāļš

60W Bass Amplifier by MJ11016 āļ™ี่āđ€āļ›็āļ™āđāļ­āļĄāļ›์āđ€āļŠีāļĒāļ‡āļ—ุ้āļĄāđ‚āļ”āļĒāđ€āļ‰āļžāļēāļ° āđ€āļžāļĢāļēāļ°āļŠāļģāļŦāļĢัāļšāļŠāļĢ้āļēāļ‡āđ„āļ§้āļ‚ัāļšāļĨāļģāđ‚āļžāļ‡āđ€āļŠีāļĒāļ‡ bass āļ§āļ‡āļˆāļĢāļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ āļ็āđ€āļŠีāļĒāļ‡āđ„āļĄ่āđƒāļŠ่āļ™้āļ­āļĒ āļĢāļ­āļ‡āļĢัāļšāļĢāļ°āļšāļšāđ€āļŠีāļĒāļ‡āđ‚āļŪāļĄāđ€āļ—ีāļĒāļĢ์āđ€āļ•āļ­āļĢ์āđ„āļ”้āļŠāļšāļēāļĒāļ„āļĢัāļš

Power Amplifier OCL 60W by 2N3055 with PCB āļ§āļ‡āļˆāļĢāđāļ­āļĄāļ›์āļ‚āļ™āļēāļ” 60Watt āļˆัāļ”āļ§āļ‡āļˆāļĢāļĄāļēāļ”ี āđƒāļŠ้āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์āļĒāļ­āļ”āļ™ิāļĒāļĄ āļŦāļĄāļ”āļ›ัāļāļŦāļēāđ€āļĢื่āļ­āļ‡āļŦāļēāļ­āļ°āđ„āļŦāļĨ่ āđāļ™่āļ™āļ­āļ™āļ„āļĢัāļš

Power Amplifier OCL 100w With MJ802, MJ4502 āļ§āļ‡āļˆāļĢāļ™ี้ āđ€āļ›็āļ™āļĨัāļāļĐāļ“āļ° āđ‚āļ­āļ‹ีāđāļ­āļĨ āļ§āļ‡āļˆāļĢāđāļĄ้āļ§่āļē āļˆāļ°āđ€āļ่āļēāđāļ่āļĄāļēāļāđāļĨ้āļ§ āđāļ•่āđ€āļŠีāļĒāļ‡āļ”ี āļ—āļ™āļ—āļēāļ™āđƒāļŠ้āđ„āļ”้āļ—ีāđ€āļ”ีāļĒāļ§ āļ„āļ§āļĢāļĄีāļ§āļ‡āļˆāļĢāļ›้āļ­āļ‡āļัāļ™āļĨāļģāđ‚āļžāļ‡āđ„āļ§้āļ”้āļ§āļĒ āļ—ุ้āļĄāđāļŦāļĨāļĄāđ„āļžāđ€āļĢāļēāļ°āļ™่āļēāļŸัāļ‡āļĄāļēāļāļ„āļĢัāļš

Circuit Power Amplifier OTL 50W by 2N3055 āļ§āļ‡āļˆāļĢāđāļ­āļĄāļ›์āđ‚āļ­āļ—ีāđāļ­āļĨ 50Watt āđāļĄ้āļ§่āļēāđ€āļ›็āļ™āļ§āļ‡āļˆāļĢāđ€āļ่āļē āđāļ•่āđ€āļŠีāļĒāļ‡āļ”ีāđƒāļŠ้āđ„āļ”้āļ—ีāđ€āļ”ีāļĒāļ§ āļĄีāļ”ีāđ€āļĢื่āļ­āļ‡āļ„āļ§āļēāļĄāļ”ัāļ‡āđ„āļĄ่āļĢāļ­āļ‡āđƒāļ„āļĢ āđāļĨāļ°āļ—āļ™āļ—āļēāļ™āđ€āļ›็āļ™āđ€āļĒี่āļĒāļĄāļ„āļĢัāļš

āļ§āļ‡āļˆāļĢāļ§ิāļ—āļĒุāļĢัāļšāļŠ่āļ‡ rf circuits

āļĢāļ§āļĄāļ§āļ‡āļˆāļĢāļ§ิāļ—āļĒุāļĢัāļšāļŠ่āļ‡ āļ•่āļēāļ‡āđ† āļŦāļĨāļēāļĒāļ§āļ‡āļˆāļĢ
rf circuits rf impedance matching rf amplifier circuit rf transmitter
rf linear amplifier rf receiver circuit rf detector circuit

500mW FM Transmitter by BC549 āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ FM āļ‚āļ™āļēāļ” 500mW āđƒāļŠ้āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ BC549

High Quality 200mW FM Transmitter by BF199 āļ§āļ‡āļˆāļĢāđ€āļ„āļĢื่āļ­āļ‡āļŠ่āļ‡āļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ FM āļ‚āļ™āļēāļ” 200mW āļ„ุāļ“āļ āļēāļžāļŠูāļ‡ āļ”้āļ§āļĒāļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ BF199

50-300mW FM Transmitter by BC549 āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ FM āļ‚āļ™āļēāļ” 50mW āļ–ึāļ‡ 300mW āļ”้āļ§āļĒāļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ āđ€āļšāļ­āļĢ์ BC549

6 Transistor Super Regen Receiver by BC548 āļ§āļ‡āļˆāļĢāļĢัāļšāļŠัāļāļāļēāļ“ Super Regen āļĢุ่āļ™āļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ BC548 āļˆāļģāļ™āļ§āļ™ 6 āļ•ัāļ§

BH1417 Stereo PLL FM Transmitter āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļēāļ“ FM āļĢāļ°āļšāļšāļŠāđ€āļ•āļ­āļĢิāđ‚āļ­ āļ”้āļ§āļĒāđ„āļ­āļ‹ีāđ€āļšāļ­āļĢ์ BH1417



BA1404 HI-FI Stereo FM Transmitter āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“ FM āļĢāļ°āļšāļšāļŠāđ€āļ•āļ­āļĢิāđ‚āļ­ āđ„āļŪāđ„āļŸ āļ”้āļ§āļĒāđ„āļ­āļ‹ี BA1404

Long range FM transmitter āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ FM āļĢāļ°āļšāļš Long range

Coil-less FM Transmitter by IC 40106 āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ FM āļĢāļ°āļšāļš Coil-less āļ”้āļ§āļĒāđ„āļ­āļ‹ีāļ”ิāļˆิāļ•āļ­āļĨ 40106

40 Watt Amplifier For FM Broadcast by MRF171A āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“āļĢāļ°āļšāļš FM āļāļģāļĨัāļ‡āļ‚āļĒāļēāļĒāļāļģāļĨัāļ‡ 40W āļ”้āļ§āļĒ MRF171A

TV Signal Amplifier by BFR90, BFR91, BFW92 āļ§āļ‡āļˆāļĢāļ‚āļĒāļēāļĒāļŠัāļāļāļēāļ“āļ—ีāļ§ี āļ”้āļ§āļĒāļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ BFR90,BFR91,BFW92

FM Amplifier 50Watt by BLY90 āļ§āļ‡āļˆāļĢāļ‚āļĒāļēāļĒāļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ FM āļ‚āļ™āļēāļ” 50W āđ€āļšāļ­āļĢ์ BLY90

FM Transmitter 4W by 2N3553 āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ FM āļ‚āļ™āļēāļ” 4W āļ”้āļ§āļĒāļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์āđ€āļšāļ­āļĢ์ 2N3553

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āļĒัāļ‡āļĄีāļ§āļ‡āļˆāļĢāļ§ิāļ—āļĒุāļĢัāļšāļŠ่āļ‡āļ­ื่āļ™āđ† āļ­ีāļāļĄāļēāļāļĄāļēāļĒ āļ”ูāļ•่āļ­āđƒāļ™āđ€āļ§็āļš www.eanic.com āļ„āļĨิ๊āļ



FM Transmitter 3W by 2N3553 āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ FM āļ‚āļ™āļēāļ” 4W āļ”้āļ§āļĒāļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์āđ€āļšāļ­āļĢ์ 2N3553

SW RF Pre-Amplifier with 2N3819 āļ§āļ‡āļˆāļĢāļ‚āļĒāļēāļĒāļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ SW āļ”้āļ§āļĒāļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์āđ€āļšāļ­āļĢ์ 2N3819

VHF Band 2 Radio Spectrum tuning āļ§āļ‡āļˆāļĢ Spectrum tuning āļĒ่āļēāļ™ VHF 2 Band

Automatic Retransmitting Makeshift Repeater

4 Watt FM Transmitter with 2N3553 āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ FM āļ‚āļ™āļēāļ” 4W āļ”้āļ§āļĒāļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ 2N3553

500W HF linear amplifier āļ§āļ‡āļˆāļĢāļ‚āļĒāļēāļĒāļŠัāļāļāļēāļ“āđāļšāļš HF āļĨิāđ€āļ™ีāļĒāļĢ์ āļ‚āļ™āļēāļ” 500W

FM Transmitter with 2N2222 āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ FM āļ”้āļ§āļĒāļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ 2N2222

1.5 Volt Tracking FM Transmitter āļ§āļ‡āļˆāļŠ่āļ‡āļŠัāļāļāļēāļ“ FM Tracking āđ„āļŸāđ€āļĨี้āļĒāļ‡ 1.5V

VHF Video Transmitter āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“āļ§ีāļ”ีāđ‚āļ­ VHF āđāļšāļšāļŦāļ™ึ่āļ‡

RF Power Amplifier 1.3W to 6W by 2SC1970 āļ§āļ‡āļˆāļĢāļ‚āļĒāļēāļĒāļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ āļāļģāļĨัāļ‡ 1.3W āļ–ึāļ‡ 6W

An AM RF Amp for Internal Antennas āđ€āļี่āļĒāļ§āļัāļšāļ§ิāļ—āļĒุāđ€āļ­āđ€āļ­็āļĄ

FM TRANSMITTER By 2N2222 āļ§āļ‡āļˆāļĢāđ„āļĄāļ„์āļĨāļ­āļĒāļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ 3 āļ•ัāļ§ āđ„āļŸāđ€āļĨี้āļĒāļ‡ 3V āđ€āļ­āļ‡



2-Frequency Oscillator By IC Tone Decoder 567 āļ§āļ‡āļˆāļĢāļœāļĨิāļ•āļ„āļ§āļēāļĄāļ–ี่ 2 āļ„āļ§āļēāļĄāļ–ี่āļ”้āļ§āļĒāđ„āļ­āļ‹ี NE567

60 WATTS LINEAR AMPLIFIER with IRF840 āļ§āļ‡āļˆāļĢāļšูāļŠāđ€āļ•āļ­āļĢ์ āļ‚āļĒāļēāļĒāļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ āļ‚āļ™āļēāļ” 60W āļ”้āļ§āļĒāđ„āļ­āļ‹ี IRF840

AM portable radio receiver by ZN414 IC āļ§āļ‡āļˆāļĢāļĢัāļšāđ€āļ­āđ€āļ­็āļĄāļ”้āļ§āļĒāđ„āļ­āļ‹ี ZN414

Video to RF Modulator 189 MHZ āļ§āļ‡āļˆāļĢāđāļ›āļĨāļ‡āļŠัāļāļāļēāļ“āļ āļēāļž Video āđ€āļ›็āļ™āļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ āļ„āļ§āļēāļĄāļ–ี่āļŠูāļ‡ 189MHZ

VHF Video Transmitter āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļŠัāļāļāļēāļ“āļ§ีāļ”ีāđ‚āļ­ āļ—āļēāļ‡āļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ āļ„āļ§āļēāļĄāļ–ี่ VHF

āļ§āļ‡āļˆāļĢāđ€āļี่āļĒāļ§āļัāļšāļ‚āļĒāļēāļĒāļŠāļēāļĒāļ­āļēāļāļēāļĻāđ€āļ­āļŸāđ€āļ­็āļĄ Active FM Antenna Amplifier by C2570

4 Watt FM Transmitter with 2N3553 āļ§āļ‡āļˆāļĢāļŠ่āļ‡āļ§ิāļ—āļĒุāđ€āļ­āļŸāđ€āļ­็āļĄ (āđ„āļĄāļ„์āļĨāļ­āļĒ) 4W āļ”้āļ§āļĒāļ—āļĢāļēāļ™āļ‹ิāļŠāđ€āļ•āļ­āļĢ์ 2N3553

500W HF linear amplifier āđ€āļี่āļĒāļ§āļัāļšāļ§āļ‡āļˆāļĢāļ‚āļĒāļēāļĒāļāļģāļĨัāļ‡āļŠ่āļ‡āļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ 500W āđāļšāļšāļĨิāđ€āļ™ีāļĒāļĢ์



FM Stereo Transmitter with IC BA1404 āđ€āļ„āļĢื่āļ­āļ‡āļŠ่āļ‡āđ€āļ­āļŸāđ€āļ­็āļĄāđ€āļŠāļ•āļ­āļĢิāđ‚āļ­

Linear FM 30Watt āļŠุāļ”āļ§āļ‡āļˆāļĢāđ€āļี่āļĒāļ§āļัāļšāļŠ่āļ‡āļ„āļ§āļēāļĄāļ–ี่āļ§ิāļ—āļĒุ FM āļ‚āļ™āļēāļ” 30W

Easy Radio Wave Alarm āļ§āļ‡āļˆāļĢāđ€āļ•ืāļ­āļ™āļ ัāļĒāļ”้āļ§āļĒāļŠัāļāļāļēāļ“āļ§ิāļ—āļĒุ

UHF Preamplifier by MPSH10 transistor āļ‚āļĒāļēāļĒāļŠัāļāļāļēāļ“āļ„āļ§āļēāļĄāļ–ี่āļĒ่āļēāļ™ UHF

TV Transmitter āđ€āļ„āļĢื่āļ­āļ‡āļŠ่āļ‡āļŠัāļāļāļēāļ“āļ—ีāļ§ีāļ‡่āļēāļĒāđ† āļ™่āļēāļŠāļ™āđƒāļˆāļ”ีāļˆ๊āļ°

FM Transmitter with Op-amp āđ€āļ„āļĢื่āļ­āļ‡āļŠ่āļ‡ (āđ„āļĄāļ„์āļĨāļ­āļĒ) āļ§ิāļ—āļĒุāđ€āļ­āļŸāđ€āļ­็āļĄ āļ”้āļ§āļĒāđ„āļ­āļ‹ี āļ­āļ­āļšāđāļ­āļĄāļ›์

One Watt 2.3 GHz RF Amplifier using a MRF2001(Image)

RFI Suppression Techniques in DP83950A (RIC) Based Systems(NEW)

RF Frequency Linear Tuning Varactors (PDF File)(NEW)

Simple and Inexpensive High-Efficiency Power Amplifier Using New Apt MOSFETs(NEW)



Sunday, August 30, 2009

Infrared Intruder Alarm

This the circuit warns the trespasser infrared system or Infrared Intruder Alarm circuit that interesting. By when there is a person passes or cut the light infrared.


http://www.elecfree.com/electronic/infrared-intruder-alarm/