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Posts tagged lm386

Circuit diagram 75 Meter QRP SSB Transceiver

The 75 Meter QRP SSB Transceiver Theory of Operation 6-30-03 In general, the transceiver switches the 4-element 1500 ohm xtal BPF ends between the inputs and outputs of the two SA602s to reverse the signal flow for R/T operation. Since no IF amplifier is used in the design, 20 dB of additional receiver gain is […]

Circuit Diagram CB fm 27mhz Receiver Diagram

Circuit Diagram CB fm 27mhz Receiver Diagram 27MHz FM-CB receiver built with TCA440 for listening CB transmissions with FM. The selection is made with ceramic filters. This 27 MHz receiver works with an intermediary frequency of 455 kHz.


NE5534 NE5534 fot High Quality Audio Mixer CIRCUIT

Running LED lights circuit

Running LED lights circuit

Circuits Electronics 7 MHz Popcorn VFO

TDA7052 datasheet and circuit Portable Audio

Datasheet TDA7052 TDA7052 datasheet and circuit audio diagram The TDA7052 is a mono output amplifier designed for battery-fed portable audio … To compensate for this reduction, the TDA7052 uses the Bridge Tied Load

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