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Posts tagged 2SB187

Remote Control Circuit Breaker using 2SA104, 2SB187, 2SB22

Remote Control Circuit Breaker using 2SA104, 2SB187, 2SB22 Radio Control 2 using 2SA104, 2SB187, 2SB22 Radio Control 2 using 2SA104, 2SB187, 2SB22

Audio spectrum analyzer circuit

Audio spectrum analyzer circuit audio spectrum analyser circuit Audio spectrum analyzer circuit using UAA180 Audio spectrum analyzer circuit Audio spectrum analyzer circuit

Projection 50″ TV, Power Supply Problem?

afterburner asked: Tried to paste a circuit diagram into this problem, but no luck. PROBLEM DESCRIPTION: Believe the problem is in the power suppy. Model: Hitachi CU 5002k 50″ 3 tube projection. No picture, raster or sound. I have no scope. Have VTOM. Output from the Sub Power Supply is, and should be, 122 VAC […]

Audio systems

7.5w Audio systems Circuit using AN7108 R1,4 …….. 330 ohm R2,5 …….. 5K6 R3,6 …….. 180K VR ………. 5K C1,3,5,7 …. 1nF C2,6 …….. 10uF/10V C4,8 …….. 22nF C9 ………. 100uF/10V C10,11,15 … 47uF/10V C16,17 …… 22nF IC1 ……… AN7108 7.5w Audio systems Circuit using AN7108

DTMF control RELAY SWITCHING circuit using M8870, 4013, BC548

DTMF control RELAY SWITCHING circuit using M8870, 4013, BC548

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