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Posts tagged 30v

Remote Power Manager

Remote Power Manager Remote Power Circuit diagram Power Supply For Car Audio with Remote using SG3525, MTP75N06, BD139 Remote Power Manager Remote Power Manager +30v and -30v

Stereo Audio Amplifiers

Stereo Audio Amplifiers circuit using stk439 Stereo Audio Amplifiers circuit using stk439 Stereo Audio Amplifiers R 1 ……….. 2 K 2 R 2,4 ……… 220 K R 3 ……….. 390 K R 5 ……….. 100 R 6 ……….. 120 R 7 ……….. 12 K R 8 ……….. 10 C 1 ……….. 470 pF C 2 […]

Model Police Car Siren circuit

Model Police Car Siren circuit using 9013, 9012 R1 ………….. 6,8K ohm R2 ………….. 2,2K ohm R3 ………….. 100K ohm R4 ………….. 15K ohm R5 ………….. 1K ohm R6 ………….. 470 ohm VR ………….. 1K ohm C1 ………….. 4,7uF – 10V C2 ………….. 0,068uF – 25V TR1 …………. P.U.T. MEU – 21 TR2 …………. FCS […]

Free Download TDA7294 IC Second Voice recorder module and Service Manual free download, schematics, datasheets, eeprom bins, pcb

Free Download PDF TDA7294 IC Second Voice recorder module and Service Manual free download, schematics, datasheets, eeprom bins, pcb TDA7294 IC Second Voice Recorder Module. Non-volatile multi message recorder using ISD chips. Just change one resistor for longer duration. Standalone operation using just six onboard bottons. Record via built-in microphone or external line in. Speaker […]

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