This is the stereo headphone amplifier circuit diagram, built based LM4809. This circuit can be used for stereo headphone amplifier…
This is the circuit diagram of 5V Regulated Power Supply circuit, featured with over voltage protection. The circuit is based…
The following diagram is the circuit diagram of telephone amplifier, build based small amplifier IC LM386. This is a easy…
This is another stereo / dual power amplifier circuit with power IC KA series. This amplifier delivers dual power output…
This is the color detector / sensor circuit diagram. This circuit will sense eight colors that are: green, red and…
In the above circuit diagram, a CMOS operational amplifier (op-amp) controls the current via a P-Channel HEXFET power transistor (IRF9520)…
This is the circuit diagram of Univox Super-Fuzz Pedal. This pedal is actually a 69-to-early 70"s design that consists of…
This is the schematic diagram of Infrared (IR) cordless headphone. Maybe it also can be called "wireless headphone", but it…
This is the positive voltage regulator circuit with PNP Boost transistor: The IC8211 presents the voltage reference and regulator amplifier,…
This is a 100W RF amplifier built based on RF power transistor BLY94. Active components: BLY94 Coaxial cable length :…