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Posts tagged 20 watt audio amplifier

20 watt Audio amplifier circuit

20 watt Audio amplifier circuit using LM1875

quality power

quality power quality power using KA2209 quality power quality power

Make power amp used LM1875 30w – Electronics Schematic Diagram

Make power amp used LM1875 30w – Electronics Schematic Diagram LM1875 is great enough to give you good audio performance. This power IC will amplify the audio signal up to 30w output power. part list R1 _____________ 1K R2 _____________ 1M R3 _____________ 22K R4 _____________ 10K R5 _____________ 180K R6 _____________ 1R IC1 ____________ […]

Circuit HAMCOMM MODEM

The program only needs a simple “infinite gain” circuit to square off the input tones so that they can be read by the serial port. This is achieved using a 741 operational amplifier. The basic circuit of the unit is given below. The RS232 pins are given for a 9-pin serial port. A 25-pin port […]

electric motor speed control circuit

electric motor speed control circuit DC motor speed controller circuit using KA22134 electric motor speed control circuit electric motor speed control circuit

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