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Posts tagged Fm

Radio fm digital

Radio fm digital IC1 TDA7000 IC2 LM7805 LM386 D1BB329, BB105 Radio fm digital IC1 TDA7000 IC2 LM7805 LM386 D1BB329, BB105 R1 47K R2 22K R3 100K R4 39K R5 10 R6,12 7,5K – Optionally R13-r21 15K – Optionally P1 10K Logarithmic potentiometer P2 100K Linear potentiometer C1 39pF Ceramic C2 47pF Ceramic C3 2,2nF Polyester […]

TDA1591 stereo decoder schematic

TDA1591 stereo decoder schematic TDA1591 stereo decoder schematic

Latching relay driver circuit projects

Latching relay driver circuit projects using 4093B, 4017B, 2N7000, 78L05

18W Audio Amplifier Circuit using TDA1521

18W Audio Amplifier Circuit using TDA1521

The circuit Tv transmitter very simple

The circuit is very simple, it just has three transistors, but the transistor types have been changed for VHF/UHF transistors. You can use 2N2369, BSX19 or BSX20, or any small signal transistor with an “ft” of typically 400MHz or more. The transistor DC biasing is a little more tolerant to varying transistor types than the […]

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 […]

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