This is a class AB 6-10W audio power amplifier circuit which built using a TDA2002 or TDA2003 power amplifier IC…
This is the circuit diagram of mini FM receiver that build based on single FM IC TDA7012T. Components List: R1…
This is 25W low power inverter which contain of only 9 parts and turn 10VDC - 16VDC into 115V /…
This is an adjustable / variable power supply which have adjustabled output voltage from 6-12 DC volt. This power supply…
This circuit is a powerful three stage, 9V FM transmitter (Tx) with a range of up to 1 kilometer in…
This is a 12VDC to 9VDC converter circuit. You may use this DC to DC stepdown converter circuit if you…
If you're interested in RF circuit, then you should know about this basic RF oscillator. This basic RF oscillator circuit…
This is a very easy and simple LED flasher with only three components: a flasher IC LM3909, a LED indicator…
This is a simple audio pre-amplifier circuit using single transistor 2N3904. This easy circuit provides good gain to weak audio…
This is the circuit diagram of mini AM Radio receiver. All general purpose transistors should work in this circuit, you…