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Audio Tone Control – Layout and circuit diagram by yiroshi

Audio Tone Control – Layout and circuit diagram by  yiroshi using TL072

TDA1175P – LOW-NOISE TV VERTICAL DEFLECTION SYSTEM

TDA1175P – LOW-NOISE TV VERTICAL DEFLECTION SYSTEM It is intended for use in black and white and colour TV receivers. The functions incorporated are : synchronization vertical circuit, oscillator and ramp generator.  

Midi Interface

Midi Interface audio circuit mixer

tube amp diagram

tube amp diagram using EL84, ECC82

Rf Preamplifier

Rf Preamplifier using dual gate mosfet BF990A Rf Preamplifier using dual gate mosfet BF990A

FM wireless microphone for the President’s speech

FM wireless microphone is very simple to build and has a useful transmission range (more than 300 meters in open air). Although a small component count and 3V operating voltage it will easily penetrate more than three floors of an apartment building. This may be found anywhere in the FM band (87-108MHz) and transmission can […]

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