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Posts tagged ब्रॉडबैंड

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.

600W amplifying circuit

600W amplifying circuit using LM3886, ZTX450

28W Audio Amplifier Circuit using STK4311

28W Audio Amplifier Circuit using STK4311

Volume control circuit for audio amplifier

Audio Gain master stereo Volume control circuit for audio amplifier using TL072   Gain audio input layout

LM555 Electronics Schematic Diagram Two Stage Time Delay Circuit part 29

LM555 Electronics Schematic Diagram Two Stage Time Delay Circuit part 29

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