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Posts tagged 9volt

HF VHF UHF tv antenna boster Active

HF VHF UHF tv antenna boster Active circuit diagram using 2SC2570, MFE201

Transportable PC or Laptop circuit

Transportable PC or Laptop circuit using BC337 Transportable PC or Laptop circuit using BC337 Componentes: R1 10 k                                    IC1 zocalo 18 pines R2 1.5 k                                   T1 BC337 D1 1N751A Zener 5.1V    T2 BC337 D2 1N4148 D3 1N4148 D4 1N4148 D5 1N756A Zener 8.2V D6 1N4148 18 Pines: * 16C55x * 16C61 * 16C62x […]

LM555 Micro controller Circuit Variable Pulse Width Oscillator Output Graph part 31

LM555 Micro controller Circuit Variable Pulse Width Oscillator Output Graph part 31

How making Digital Volume Control for audio ?

How making Digital Volume Control for audio ? using DS1669 c1 : 0,1uf Making Digital Volume Control for audio in this series can use a digital set the volume control ,  although the tone control is the volume available, but we can make a volume control with a series. to use this series, release potensiometer […]

How to fix crt television color problem

How to fix crt television color problem Crt tv voltage test points CRT TV Circuit board using 1815, 1015, C2482, C2483 How to fix crt television color problem crt tv voltage test points crt tv screen problems crt picture tube charging circuit crt picture tube repair crt tv heater voltage crt filament connections crt pin […]

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