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Posts tagged Electric

555 timer MCT2E opto-coupler

The main components used are 555 timer MCT2E opto-coupler The main components used are 555 timer MCT2E opto-coupler

PRE AMP MIC

PRE AMP MIC 3 TR USING BC550C BC556 BC546 PRE AMP MIC 3 TR USING BC550C BC556 BC546 R1_____________ 1K5 R2_____________ 220K R3_____________ 18K R4_____________ 330R R5_____________ 39K R6_____________ 56R R7,R10_________ 10K R8_____________ 33K R9_____________ 150R R11____________ 6K8 R12,R13________ 100R R14____________ 100K C1_____________ 220nF 63V C2_____________ 220pF 63V C3_____________ 1nF 63V C4,C7__________ 47µF 50V C5,C6__________ […]

PreAmplifier circuit diagram using BC546, BC556

PreAmplifier circuit diagram using BC546, BC556 Preamplifier parts: P1 10K Linear Potentiometer P2 10K Log. Potentiometer R1,R2 68K 1/4W R3 680K 1/4W R4 220K 1/4W R5 33K 1/4W R6 2K2 1/4W R7 5K6 1/4W R8,R18 330R 1/4W R9 47K 1/4W R10 18K 1/4W R11 4K7 1/4W R12 1K 1/4W R13 1K5 1/4W R14,R15,R16 100K 1/4W […]

Led Vu Display circuit

Led Vu Display circuit using IC LB1403 Led Vu Display circuit using IC LB1403

STK084 Audio Amplifiers

STK084 Audio Amplifiers STK084 Audio Amplifiers circuit diagram This design is based on the 80 Watt Audio Amplifier, and was developed mainly to satisfy the requests of correspondents unable to locate the STK084 Audio Amplifiers. It uses the widespread STK084 1 IC but, obviously, its power output will be comprised in the 40W range, as […]

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