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Posts tagged toroidal audio transformers

Audio Isolation Transformers

Audio Isolation Transformers 60W Audio power amplifier circuit using transformer 60W Audio power amplifier circuit using transformer

Servo Motor Controlling with trimpots

Servo Motor Controlling with trimpots Servo Motor Controlling with trimpots

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.

60W Power Audio Amplifier circuit using LM1875

60W Power Audio Amplifier circuit using LM1875 60W Power Audio Amplifier circuit using LM1875 The following circuit diagram is the 60 Watt power audio amplifier circuit, build based on power amp chip LM1875. The single chip of IC LM1875 is able to amplify the audio power output up to 60W. In this circuit, the two […]

Led Emergency Light Circuit Diagram Without Transformer

Led Emergency Light 6v 1Ah – Circuit Diagram – 220v to 6v Without Transformer I got 6v 1Ah rechargeable batter and 220v to 6v step down without transformer.

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