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Posts tagged Wi-Fi

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.

9W Audio Circuit Diagram Design

9W Audio Circuit Diagram Design using TDA 2002, BC547 This is a class AB audio power amplifier circuit

Interface USB

Gamepad USB interface circuit diagram using PSX or N64

Adding led pedal – Connecting Additional Leds

Adding led pedal – Connecting Additional Leds to LM2794 Charge Pump Output

Digital tuning Circuit for fm satelit

Digital tuning Circuit for fm satelit using U2514B U2514B AM / FM Receiver Digital Tuning with Stereo Decoder

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