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Showing posts from February, 2011

Transistor checker tool with circuit

The above sequence is a circuit of development of the transistor circuit tester before, which of co… Read this circuit » Transistor checker tool with circuit

Power amplifier circuit with IC LM386

IC LM386 is working for the amplifier audio circuit with a low power output , range from 0.325 watt… Read this circuit » Power amplifier circuit with IC LM386

USB to phone battery charger circuit

Without any   USB to phone battery charger circuit we can charging phone battery using port o… Read this circuit » USB to phone battery charger circuit

Phone Battery Charger circuit

The circuit above is a simple circuit to charge phone battery . Charge battery uses an output tran… Read this circuit » Phone Battery Charger circuit

-15 Volt output regulated power supply circuit

The circuit above get from -20 volt DC the rectifier diode which is fed to the collector of the Dar… Read this circuit » -15 Volt output regulated power supply circuit

+15 V output regulated power supply circuit with uA723 and 2N3055

The supply receive from 220 /120/110 Volt AC , then lowered by the transformer . Then receives +20 … Read this circuit » +15 V output regulated power supply circuit with uA723 and 2N3055

Dual Tracking regulator circuit

A IC MAX634 inverting regulator is combined with a IC MAX630 to provide a dual tracking approximate… Read this circuit » Dual Tracking regulator circuit

Low power audio amplifier with IC TA7066P

The TA7066P is original monolithic Intregated Circuit Audio Power Amplifier. Package IC is SIP10-16… Read this circuit » Low power audio amplifier with IC TA7066P

Stereo Audio Amplifier with IC TEA2024

The circuit above is based on IC TEA2024, package IC is SIP2-10 and manufactered by THOMSON. Circu… Read this circuit » Stereo Audio Amplifier with IC TEA2024

14 Watt car audio amplifier circuit

Basic operation of this amplifier is on IC TEA2021 , Read this circuit » 14 Watt car audio amplifier circuit

Low battery detector circuit

You feel confused to detect wether a battery is low or high, or you want to be notified if the… Read this circuit » Low battery detector circuit

Battery charger circuit

This cahrger based on chargeing voltage 2,4 Volts per cell , in accordance with most manufacterers… Read this circuit » Battery charger circuit

Variable charger circuit

Indeed the accu charger circuit , the voltage required must be in accordance with voltage batterie… Read this circuit » Variable charger circuit

Power Amplifier circuit schematic based on IC TDA7255

Power amplifier circuit schematic based on IC TDA7255 This circuit equipped with 2 switches that … Read this circuit » Power Amplifier circuit schematic based on IC TDA7255

Schematic Power Amplifier with IC TDA7370

Here..... this circuit is stereo power amplifier , based on IC TDA7370, its nice Intregated Power a… Read this circuit » Schematic Power Amplifier with IC TDA7370

TDA7240 / TDA7241 amplifier schematic

On this circuit based at IC TDA7240A , this circuit require minimum voltage 8 volt and maximum volt… Read this circuit » TDA7240 / TDA7241 amplifier schematic

Low voltage audio amplifier circuit from 0,9 volts

Here i share power amplifier based on IC TDA7236 . This amplifier require minimum voltage 0,9 volt … Read this circuit » Low voltage audio amplifier circuit from 0,9 volts

Very Low Power Amplifier circuit

This circuit based on IC TDA7233 or you can use  IC TDA7233D . Minimum supply voltage 1,8 volts  a… Read this circuit » Very Low Power Amplifier circuit

1,6 Watt intregated circuit audio amplifier

This Circut based on IC TDA7231 , Minimum voltage require 2 Volts and maximum voltage 15 volts . I … Read this circuit » 1,6 Watt intregated circuit audio amplifier

Tone control mono circuit with C828 / C945

This is mono circuit tone control , include adjusting bass , trebel , and master volume. Minimum v… Read this circuit » Tone control mono circuit with C828 / C945

Master mixer circuit

This circuit is used for controlling the volume of output  and then entered the mixer, but this c… Read this circuit » Master mixer circuit

1 W mini audio amplifier circuit

In this circuit requires only three components , namely IC TDA7052 , and 2 capacitor electrolyte. A… Read this circuit » 1 W mini audio amplifier circuit

Very simple stereo amplifier circuit

This is very very simple circuit audio amplifier  based on IC7057T  , you just use 3 components … Read this circuit » Very simple stereo amplifier circuit

Audio power amplifier circuit based on TDA4920 , TDA4925 , TDA4930

Specification : This is stereo amplifier , based on IC TDA4920 , TDA4925 , TDA4930 . Minimum volta… Read this circuit » Audio power amplifier circuit based on TDA4920 , TDA4925 , TDA4930

30W , TDA3000 intregated audio amplifier

This circuit based on IC TDA3000 or you can use IC TDA2870 , minimum voltage require 12 volts and m… Read this circuit » 30W , TDA3000 intregated audio amplifier

Low Power Audio Amplifier Circuit with IC TDA2824S

This is stereo audio amplifier with based on ICTDA2824S , Minimum voltage require 3 volts and maxim… Read this circuit » Low Power Audio Amplifier Circuit with IC TDA2824S

Circuit Battery - Charging Regulator

The Charger Circuits / Circuit Battery - Charging Regulator is capable of charging a 12-Volts bat… Read this circuit » Circuit Battery - Charging Regulator

Charger circuit equipped with a regulator circuit output voltage

The circuit charger is equipped with voltage output settings , so that we can regulate how much vol… Read this circuit » Charger circuit equipped with a regulator circuit output voltage

Accu charger use a diac and triac

This circuit can be used to charge Accu and cells battery , the circuit can has a very stable ou… Read this circuit » Accu charger use a diac and triac

Simple Nicad Battery Zapper circuit

This circuit is used to clear the nicad battery internal shorts in nickel - cadmium batteries. To o… Read this circuit » Simple Nicad Battery Zapper circuit

Schematic Audio Power Amplifier with IC TDA2822

TDA2822 is manufactered by PHILIPS , its based on this amplifier . Minimum voltage 3 volts and maxi… Read this circuit » Schematic Audio Power Amplifier with IC TDA2822

2 X 1,8 Watt stereo low power amplifier circuit

This is Low power amplifier , based on IC TDA2824 product of Philips. Maximum output is about 2 X 1… Read this circuit » 2 X 1,8 Watt stereo low power amplifier circuit

Schematic Audio Power Amplifier with IC TDA2612

This amplifier circuit based on IC TDA2612 produced by siemens , minimum voltage require for this c… Read this circuit » Schematic Audio Power Amplifier with IC TDA2612

TDA2610 power amplifier circuit

On this schematic TDA2610 power amplifier circuit need , Power Supply with voltage : 15 -35 V… Read this circuit » TDA2610 power amplifier circuit

Isolated Feedback Power Suplly Circuit

This is a power supply circuit using isolated feedback capabilities of the TL3103 for both current … Read this circuit » Isolated Feedback Power Suplly Circuit

120 Watt power amplifier with IC TDA2025

120 Watt power amplifier ,Minimum voltage require 12 Volts and maximum voltage require 40 Volts … Read this circuit » 120 Watt power amplifier with IC TDA2025

Low power switching regulator

This circuit is a simple battery-powered switching regulator provides 5V out from a 9V source with … Read this circuit » Low power switching regulator

2 X 20 W car amplifier circuit with TDA2009

Minimum Voltage required for this circuit  8 volt and maximum voltage 28 volt . Its can use to am… Read this circuit » 2 X 20 W car amplifier circuit with TDA2009

Power Amplifier 2 x 12 W by TDA2007

TDA2007 Amplifier Circuit ,  this is stereo power amplifier with power output 2 x 12Watts . Minimum… Read this circuit » Power Amplifier 2 x 12 W by TDA2007

How to create a simple adjusting volume for amplifier

This circuit usually used for amplifier that do not require additional device in one box amplifie… Read this circuit » How to create a simple adjusting volume for amplifier

Small Power Amplifier with IC TDA1908

Schematic circuit power amplifier TDA1908 , or you can use IC TDA1908A . The circuit simple and eas… Read this circuit » Small Power Amplifier with IC TDA1908

Power Amplifier circuit with IC TDA1904

This circuit is circuit use the IC TDA1904 and IC TDA1905. See schmatic below : Read this circuit » Power Amplifier circuit with IC TDA1904

100 Watt Power amplifier with IC TDA1514

Power Amplifier TDA1514 , this power use the IC TDA1514 , minimum require voltage 12 Volt  and ma… Read this circuit » 100 Watt Power amplifier with IC TDA1514

2 X 30 Watt stereo amplifier by TDA1510

This power amplifier can use IC TDA1510 or TDA1515, minimum voltage require 6 volt and maximum volt… Read this circuit » 2 X 30 Watt stereo amplifier by TDA1510

60 watt power amplifier circuit with TDA1512

This  is low noise power amplifier , high output power amplifier for full range speakers, but you c… Read this circuit » 60 watt power amplifier circuit with TDA1512

HiFi Amplifier circuit schematic

This is HiFi amplifier use the IC TDA1111 . The circuit is quite easy to use, but the constraints … Read this circuit » HiFi Amplifier circuit schematic

60 Watt Subwoofer Amplifer Circuit

THis is very nice amplifier circuit , because High output , and voltage required is also not too la… Read this circuit » 60 Watt Subwoofer Amplifer Circuit

Low noise amplifier circuit with IC TDA1037

This power amplifier use IC TDA1037 or you can use TDA1037D for main operation .  Minimum require v… Read this circuit » Low noise amplifier circuit with IC TDA1037

5W power amplifier with IC TDA1016

This circuit use IC TDA1016 , minimum require voltage for this circuit 3 volt and maximum require … Read this circuit » 5W power amplifier with IC TDA1016

0,5 Watt power amplifier circuit with TDA1015T

This circuit is also Very simple and easy to make , simply by using the IC and 6 other component… Read this circuit » 0,5 Watt power amplifier circuit with TDA1015T

Schematic Power Amplifier TDA1013

Power amplifier using IC TDA1013 , minimum require voltage 15 volt and maximum voltage 35 volt .… Read this circuit » Schematic Power Amplifier TDA1013

20 Watt Schematics power amplifier

This circuit is mono amplifier use IC TDA1010A .Minimum voltage require 4V and maximum voltage 2… Read this circuit » 20 Watt Schematics power amplifier

18 W stereo amplifier circuit

TDA1009 circuit amplifier , this circuit is stereo amplifier and simple schematic .Minimum voltage … Read this circuit » 18 W stereo amplifier circuit

How to make Nicad Battery charger

Nicad battery charger , this circuit just use transformer not  CT and  3 LEDs lamp. And its very… Read this circuit » How to make Nicad Battery charger

Simple 9V charger battery circuit

This is very simple charger 9V - 30V battery charger with main operation by IC LM317L and 2N222 … Read this circuit » Simple 9V charger battery circuit

14 V battery charger circuit and troubleshooting

This circuit is also use operational amplifier IC LM324 to drive the VN64GA with the error signal a… Read this circuit » 14 V battery charger circuit and troubleshooting

Low Voltage Amplifier Circuit with IC BA518

This Circuit use IC BA518 or you can use the IC BA547 , this is low mono power amplifier. Maximum p… Read this circuit » Low Voltage Amplifier Circuit with IC BA518

Simple Amplifier Schematic

This Circuit Use a IC BA515 for operation it. This is very simple Amplifier schematic , with o… Read this circuit » Simple Amplifier Schematic

Simple Inverter circuit with IC556 timer chip

This circuit is low power inverter , in this circuit only save a few components, about 9 parts.… Read this circuit » Simple Inverter circuit with IC556 timer chip

Variable Voltage Regulator with IC LM117K

Varible Voltage regulator is a circuit that serves to supply a component or electronic equipment. I… Read this circuit » Variable Voltage Regulator with IC LM117K

2 X 20 Watt Car Amplifier

LA4440 This is a very simple circuit power amplifier with IC LA4440. This circuit is a circuit the … Read this circuit » 2 X 20 Watt Car Amplifier

10 Watt Power Amplifier Circuit

IC BA514 it's the main of  this circuit. This is actually low power output with minimum power o… Read this circuit » 10 Watt Power Amplifier Circuit

5.1 surround amplifier circuit schematic

This 5.1 surround amplifier circuit schematic use the IC AN7168 as the main component from this … Read this circuit » 5.1 surround amplifier circuit schematic

Car amplifier circuit with IC BA532

Minimum Voltage required for this circuit  6 volt and maximum voltage 18 volt . Its can use to ampl… Read this circuit » Car amplifier circuit with IC BA532

Woofer speaker amplifier circuit

In the circuit use a IC AN7171 . Minimum requirment  voltage is 12 volt and maximum voltage is 15 … Read this circuit » Woofer speaker amplifier circuit

Power amplifier circuit 60 W mono

Wow this is nice intregated amplifier circuit , because this IC can be power output up to 60 Watt .… Read this circuit » Power amplifier circuit 60 W mono

Car Amplifier Circuit 2 x 30 W stereo

This circuit use the IC AN7166  . On circuit have an advantage is very loud sound , although only 3… Read this circuit » Car Amplifier Circuit 2 x 30 W stereo

Power Amplifier Circuit 2 x 20 W stereo with IC AN7156N

This circuit operate with IC AN7156N . You just can use this IC , because hav'nt similarity it.… Read this circuit » Power Amplifier Circuit 2 x 20 W stereo with IC AN7156N

Simple Power Supply Circuit , easy to make

This  is a very simple power supply and most popular to use. Because this circuit is simple and ea… Read this circuit » Simple Power Supply Circuit , easy to make

Power Supply with regulator output use IC uA723

This circuit operating with IC uA723 and add amplified with transistor  TIP31 or similiar transisto… Read this circuit » Power Supply with regulator output use IC uA723

Universal Power Supply Circuit with IC LM317

Power Supply This circuit is universal power supply , you can use this circuit to supply . On the I… Read this circuit » Universal Power Supply Circuit with IC LM317

Faster Battery Charger Circuit 6-12 Volt with IC LM308 and LM317

Battery Charger This circuit is quickly charging the battery  . If you need a faster charger ,this… Read this circuit » Faster Battery Charger Circuit 6-12 Volt with IC LM308 and LM317

14 Volt Battery Charger Circuit

Battery Charger This Circuit have output voltage 14 volt with current maximum 4A . Can be use on ni… Read this circuit » 14 Volt Battery Charger Circuit

Nicad Battery charger include voltage limiting

Battery Charger > In this my circuit , which is one of a series of simple battery charger , but … Read this circuit » Nicad Battery charger include voltage limiting

12 Volt Nicad Battery charger

Battery Charger This circuit can be charged the 12 nicad battery , and the circut charger at 75mA … Read this circuit » 12 Volt Nicad Battery charger

12 Volt Battery charger , and also can Accu Charger

This 12 Volt Battery charger circuit best performance to charger 12 volt battery . Why this charg… Read this circuit » 12 Volt Battery charger , and also can Accu Charger

Lead achid battery charger, up to 3 battery

Battery Charger This circuit ti charger battery cells up to 3 battery , this charger use an IC LM3… Read this circuit » Lead achid battery charger, up to 3 battery