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Posts tagged Potensio:

op amp Compressor Circuit using IC1 4558

op amp Compressor Circuit using IC1 4558     IC1 4558 J1 Jumper J2 Jumper J3 Jumper Fet: Q1 2N5457 Q2 2N5457

F.M. Tuner Using BF324

Receiver F.M. Tuner Circuit Using BF324 F.M. Tuner Using BF324 TR1,2,3 ……… BF324 TR4,5 ……….. BC547, 549,550 IC ………….. TBA820

3 channel microphone circuit

3 channel microphone circuit using BC550C, BC547, BC557 P1,P2,P3______5K R1,R11,R15____180K 1/4W R2,R12,R16____2M2 1/4W R3,R13,R17____750R 1/4W R4,R14,R18____1K 1/4W R5____________15K 1/4W R6____________220R 1/4W R7____________1K5 1/4W R8____________820R 1/4W R9____________150R 1/4W R10___________100K 1/4W C1,C6,C8______1µF C2,C4,C7,C9___100µF C3,C5_________220µF Q1,Q4,Q5______    BC550C Q2____________ BC547 Q3____________ BC557

Circuit electronics Carrier Oscillator

Carrier oscillator is a crystal controlled oscillator using two numbers of BC548. The circuit does not use any coils or turned circuits. First BC548 is used as oscillator second BC548 is used as buffer. The carrier oscillator frequency is offset by 1.5 KHz above ladder filter (IF) frequency. The carrier oscillator frequency can be varied […]

Collection of some TDA1514A audio chip amplifiers

Collection of some TDA1514A audio TDA1514A Collection of some TDA1514A audio chip amplifiers TDA1514 is one of the best single chip amplifiers that you will find which is good value and good performance. It has many applications, none are suggested by the data sheet but the main application is obviously hi-fi. First of all, let […]

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