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Schematic diagram for a broadband QRP SWR metering circuit and SSB TRANSCEIVER 80M / 40M boster filter IF Radio

A schematic diagram for a broadband QRP SWR metering circuit for use in a QRP antenna tuner. One could simply hold a momentary DPDT switch down and watch the LED while tuning the capacitors of the antenna tuner for minimum or zero light.

On off Switch Control

On off Switch Control circuit using CD4027 On off Switch Control circuit using CD4027

Remote led light circuit Diagram

Remote led light circuit Diagram using PS2502

Universal Laptop Power Supply

Universal Laptop Power Supply using LM741 and 2N3055

Electronic Circuit Diagram TV vertical Using LA7841, LA7840 Data Sheets

Electronic Circuit Diagram TV vertical Using LA7841, LA7840

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