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SGL8022W circuit

SGL8022W Touch LED PWM Module – What’s Inside?

Some time ago, while browsing eBay for a simple LED controller to rejuvenate my retro […]
electronic door lock circuit

The Simplest Electronic Door Code Lock Circuit

P. Marian - 04/17/2008

This is the simplest electronic door lock that has a remarkable code implementation because it uses only one [...]

FM Dipole Antenna

P. Marian -

DIY FM dipole antenna or half wave antenna are the most used because is easy to build and [...]

300W FM RF Amplifier Circuit

P. Marian - 04/14/2008

This 300W RF power amplifier for your fm transmitter has 2 x TP9383 transistors. 300W radio power amplifier [...]

20W FM RF Amplifier Circuit

P. Marian -

This FM RF power amplifier has 2 transistors from Philips: BLV10 and BLW87. The 2 rf transistors work [...]
tda1557q car amplifier schematic

Car Audio Amplifier TDA1557Q TDA1553Q

P. Marian -

This stereo audio amplifier is for car purpose and can deliver up to 2 x 22W using a single TDA1557Q or TDA1553Q IC from Philips. (more…) [...]
tda1514 audio amplifier schematic

TDA1514 50W Audio Amplifier

P. Marian -

TDA1514 is a hi fi audio amplifier which can output 50W audio power. The power supply is between [...]

TDA1562Q 50W Car Audio Amplifier

P. Marian -

One car audio amplifier with TDA1562Q that can output 50W of audio power. (more…) [...]

LM12 150W Audio Amplifier

Received by Email -

LM12 operational amplifier can output currents up to 10A. The LM12 in encapsulated in TO-3 with 4 pins, [...]
HF Dipole Antenna Design Software

Solve Elect Design

P. Marian -

With Solve Elect you can: design and analyze electronic circuits working in cc obtain formulas and values for [...]

Ultrasonic Dog Repeller Circuit

P. Marian -

This ultrasonic dog repeller circuit will chase away angry dogs. It is build with the all known 555 circuit, a buzzer and a little ferrite transformator. The ultrasonic frequency must be set with a dog [...]
70 watt mosfet audio amplifier schematic

70 Watt MOSFET Audio Amplifier

Received by Email - 04/13/2008

This simple mosfet power audio amplifier circuit, with TL071C and 2 MOSFETs (IRF9530 and IRF530) can deliver up [...]
tda2030 8w audio amplifier circuit diagram

TDA2030 10W Audio Amplifier Circuit

P. Marian -

TDA2030 audio amplifier can output 20 W but in this schematic we have reduced the power to 10 [...]
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