Friday, May 27, 2011

Running LED with 4017

Running LED with 4017 complete with PCB layout. The series of 8 LED current is the basis for creatin...

Make a series letters from the LED

Make a series letters from the LED , Things to consider before making the sign of the LED array, 1) ...

Subwoofer power amplifier IC OPA541BM

Subwoofer power amplifier circuit based on IC OPA541BM very suitable for use in subwoofer speakers, ...

Thursday, May 26, 2011

120W amplifier with LM12

This is power amplifier with basic amplifiy on IC LM12.

BTL Stereo Amplifier TDA7052 / 3

This is BTL stereo power amplifier with basic amplifier on IC TDA7052 / TDA7053

Sunday, May 22, 2011

Condenser Pre Amplifier LM 1458

This is a simple preamplifier circuit for electret condenser microphone. using a LM1458 dual op amp ...

Power Supply Variable 1.3V - 12.2V 1A Circuit

Power supply circuit to generate output below were variations between 1.3V DC to 12.2V DC with 1A cu...

TDA2005 2 X 20 Watt Power Amplifier

This time, there is a series of audio amplifer 20W as well, but using IC TDA 2005 as a series of his...

Toggle switch with Infra Red IR

Toggle switch in this article is a series of toggle switches that are controlled by infrared light. ...

Mini Amplifier with 3 Transistor

Mini 3 transistor amplifier is a simple amplifier with 50mW power drawn by 3 transitor. The series ...

6 to 12 Volt Power Supply Inverter

This inverter circuit can provide up to 800mA of 12V power from a 6V supply. For example, you could ...

5 Volt Switching Regulator Power Supply

The switching regulator power supply used LM2575-5.0 on this schematic. You can make the stable volt...

150 watts power amplifier circuit

Amplifier circuit is 150 watts power amplifier circuit is quite simple. This circuit requires only 5...

Altium Designer 10.0 – Free Download

A unified electronic product development solution Altium Designer is the world’s first and only unif...

Measure your stress level – Tension meter

If you, like so many other people in this day and age, arrive home from work stressed out and with t...

Smart Tracker - track anything from your child to shoes

The EPE Minder consists of two type- approved transmitter units and a receiver. If either transmitter becomes separated from the receiver, a...

Power Supply Variable 1.3V - 12.2V 1A Circuit

Power supply circuit to generate output below were variations between 1.3V DC to 12.2V DC with 1A cu...

Saturday, May 21, 2011

LM4651 and LM4652 170W power amplifier

170 Watt power amplifier is a power amplifier that is built by IC LM4651 and LM4652. Part of this po...

170W power amplifier LM4651 and LM4652

170 Watt power amplifier is a power amplifier that is built by IC LM4651 and LM4652. Part of this po...

Tube Power Amplifier 35W Push Pull

Tube Power Amplifier 35W Push Pull is made using a tube and eventually compiled configuration push-p...

Rangkaian Power Supply for tube amplifier

Power supply for EL-34 tube is specially designed for the purposes of power supply at the push-pull ...

Friday, May 20, 2011

Class A headphone amplifier

Class A headphone amplifier Class A headphone amplifier

Turbo Bass Circuit

Turbo Bass Circuit Turbo Bass Circuit

HiFi Headphone amplifier

HiFi Headphone amplifier HiFi Headphone amplifier

TDA1308T Headphone amplifier circuit

TDA1308T Headphone amplifier circuit  TDA1308T Headphone amplifier circuit

Headphone amplifier circuit

Headphone amplifier circuit with op amp ic OPA134, 2134, NE5532, 5534. Headphone amplifier circuit w...

Hi-Fi 25W Power Amplifier (Class-A)

Hi-Fi 25W Power Amplifier (Class-A) Schematics Circuit Click to view larger

Thursday, May 19, 2011

Flash Lights with HT2014L

Flash Lights with HT2014L This scheme is almost the same with a flash light with LM3909. In this sc...

1.3V DC to 12.2V DC Regulator Power Supply

Power supply circuit to generate output below were variations between 1.3V DC to 12.2V DC with 1A cu...

Transceiver Homebrew QRP SSB 80M Band

Radio communication transceiver is a radio transmitter at the same time the plane doubles as a radio...

Toggle Switch with IR

Toggle switch in this article is a series of toggle switches that are controlled by infrared light. ...

8 Relay Control Circuit

8 Relay Control Circuit R1-8=4.7 Kohms T1-8= BD139 (R1-8=15 Kohms if T1-8=BD679) RL1-8=6V-24V dc Rel...

Tuesday, May 17, 2011

TDA7294 150 W Power Amplifier

This is power amplifier based on IC TDA7294 with output power 150W with 8 ohm impedance, source volt...

Mosfet Amplifier with power output 400W

See figure below its power amplifier using transistor mosfet as amplifier. Mosfet Amplifier with pow...

Monday, May 16, 2011

230Volt LED Circuit

This is a circuit that is used to menhidupkan LED with voltage 230Volt, 230Volt it so that the volta...

Skema Rangkaian Pengapian Motor - CDI

The CDI ignition circuit produces a spark from an ignition coil by discharging a capacitor across th...

10Mhz to 1 MHz Frequency Converter

10Mhz to 1 MHz Frequency Converter Circuit Part ListIC1 7404 = 1 IC2 7490A = 1 R 1 K = 2 R 3.3 K = 1...

Control Relay Circuit with 9 Second

See figure below its Control Relay Circuit Schematics.

6 to 12 Volt Converter

Below its a converter circuit voltage from 6 Volt to 12 Volt DC. 6 Volt to 12 Volt DC Part List : R1...

230 - 400 Watt Power Amplifier MOSFET

Amplifier circuit below is a series of amplifiers with the amplifier transistor and mosfet. This amp...

800W Power Amplifier MOSFET

This Figure is a schematic power amplifier with power 800 Watt and driver and booster using MOSFET. ...

1.3 - 12.2 VDC Variable Power Supply

Power supply circuit to generate output below were variations between 1.3V DC to 12.2V DC with 1A cu...

System circuit (not) Minimum (Evaluation Board) AT89C2051 and AT89C4051

Maybe we are more familiar with the term Minimum System AT89C2051 circuit, but this time I present a...

200W power amplifier complete power supply

This 200W power amplifier circuit using IC STK 4050. STK 4050 is a power amplifier module is very po...

Sunday, May 15, 2011

Simple Inverter with Two Transistors

The series below is a simple inverter circuit that will change the voltage of 12v dc to 220v ac, wit...

Improving Performance Bass Amplifier

Stereo power amplifier is less in the bass tones, but if a speaker that sounds just feels solid bas...

Tips and Tricks on Audio Power Amplifier Circuit

Amplilfier power series from the beginning until now did not experience any changes. Some say this series is good, but the series was good f...