2 x 1W Stereo Amplifier
Circuit diagram of 2 x 1W Stereo audio Amplifier with IC KA2209
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3W Stereo Audio Amplifier
The circuit module of 3W Stereo Audio Amplifier based BA5406
1W Stereo Amplifier using LM386N
The manual circuit for 1W Stereo Audio Amplifier using LM386N
18W Power Audio Amplifier
Circuit manual of 18W Power Audio Amplifier based on power IC HA13118
10W Stereo Power Amplifier TDA2009A
Circuit Kit Manual of 10W Stereo Power Amplifier with TDA2009A
Speaker Protection Circuit (Stereo)
This is the speaker protection circuit, provides stereo speaker protection and prevents switch-on clicks and DC components on the output of the amplifier connected.
2W RF Amplifier with MOSFET LF2810A
This is a 2W RF amplifier circuit build with single power MOSFET LF2810A. Figure A Figure A is the schematic of the microstrip single stage RF amplifier. The amplifier is based on the M/A-Com LF2810A MOSFET. The transistor is actually a 10 watt, 28 volt part, but provides adequate gain for this application at 12… Read More »
Mic Condenser Amplifier
This is the circuit diagram of mic condenser amplifier. The low-cost and compact mic condenser audio amplifier described right here is deliver good-quality audio of 0.5 watts at 4.5 volts. It could possibly be applied as a part of low-power transmitters, packet radio receivers, intercoms and walkie-talkies.
150W Power Amplifier
This is the very simple circuit diagram of 150W power amplifier. The circuit is easy enough to built without PCB. The power output range is about 100-150W depends to the power supply and the Darlington’s you use for the amplifier. Heatsink is a must since the final transistor is going to hot when the amplifier… Read More »