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Posts tagged Amplifier

Stereo Power Amplifier

68W Power Amplifier schematic   68W Stereo Power Amplifier using TR A673, C828, C1213, D438, B560, TIP31 and TIP32

Sound Oscillator Circuit

Sound Oscillator Circuit for testing using BC559, BC549

Make Wireless portable with CA3140,4069,4098

Parts: R1,R2,R19_______1K 1/4W R3-R6,R13,R17_100K 1/4W R7,R15__________1M 1/4W R8_____________50K 1/2W R9____________470R 1/4W R10___________470K 1/4W R11___________100K 1/2W R12___________220K 1/4W R14,R16________68K 1/4W R18____________22K 1/4W R20___________150R 1/4W C1,C7_________100µF 25V C2,C3_________330nF 63V C4-C6___________4µ7 25V D1,D5______Red LEDs D2,D3________1N4148 75V D4________BZX79C7V5 7.5V 500mW IC1__________CA3140 or TL061 IC2____________4069 IC3____________4098 or 4528 Q1,Q2_________BC238 25V 100mA NPN L1_____________10mH miniature Inductor BZ1___________sounder (incorporating 3KHz oscillator)

400w Audio amplifier schema and layout

400w Audio amplifier schema and layout 400w power amplifier schema and layout using 2SC2922, 2SA1216, BD140, BD139, TIP41c, 2N5401 PA 400w using 2SC2922, 2SA1216, BD140, BD139, TIP41c, 2N5401

High power amp modules

High power amp modules High power amp modules High power amp modules High power amp modules using STK4141

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