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Posts tagged 1500

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 […]

USB Power Bank Circuit Diagram

USB Power Bank Circuit Diagram DS2720 ICs control the conduction paths for charger USB Power Bank USB Power Bank Circuit Diagram using DS2720, power MOSFETs

Siriene Police Circuit Diagram using MTP3055V

Siriene Police Circuit Diagram using LM358, BC548, 1N914, MTP3055V

Fm Radio Receiver circuit

Fm Radio Receiver circuit using using TDA7088BT, TDA7040T, TDA7050T, BB909B

Audio Amplifier

Audio Amplifier circuit using IC LA4505 Audio Amplifier circuit using IC LA4505

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