IC TDA8560, being a complete analogue of the well-known chip TDA1557Q, in fact – its a whole new amp. This car amplifier circuit gives an output power 40 watts per…
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2x4W Stereo Tube Amplifier Circuit
Here the schematic diagram of 2x4W stereo tube amplifier which built based 5 power tubes component. This amplifier will produces up to 4 watt audio power for each output channel….
Motorola Hi-Fi Power Amplifier 20W to 80W RMS
This Motorola Hi-Fi power amplifier circuit are very simple, low cost, and Hi-Fi quality power amplifier. You can build this circuit in 5 options power output, as shown in the…
Low Power Amplifier 2×100 mW with TL082
…little better with a supply voltage slightly higher, +12 V to +18 V. The Low Power Amplifier 2 x 100 mW circuit is based on the combination of op amp…
Low Cost Pre-amplifier Circuit based TL072
This simple pre amp based TL 072 circuit is certainly not the best, it doesn’t even have tone controls. But has the advantage of being simple to build and also…
Voltage controlled variable gain amplifier
The Voltage controlled variable gain amplifier circuit is built with ic op amp type LM101. The 2N5457 works as a voltage variable resistor having an Rds(on) max of 800 ohms….
Voltage Controlled Amplifier
This Voltage Controlled Amplifier circuit is simply an op amp having an additional input at pin 5. A current ILsc is inserted into this input which controls the gain of…
Small stereo headphone amplifier
A small stereo headphone amplifier cheap and very nice features (without HIFI). It only uses a single power supply value between 15 V and 24 V (you can even lower…
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