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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 […]

aims power inverters

3000W 12v – 230v aims power inverters circuit diagram 3000W 12v – 230v aims power inverters circuit diagram circuit diagram

120W Power Amp Bridge Mode

120W Power Amp Bridge Mode Circuit diagram using TDA2030, BD250, BD249

Wiring diagram Power supply Circuit Diagram

Wiring diagram Power supply Circuit Diagram

20W Audio PCB using MDA 2020

20W Audio Amplifier Circuit using MDA2020

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