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DXR Electronics Bits

Electronics and Technical resources from vu3dxr

Tag: audio

Audio Clipper Circuit Using BC547 and 1N914 Diodes
audioCircuitsDIY

Audio Clipper Circuit Using BC547 and 1N914 Diodes

adminJuly 26, 2025August 28, 2025

If you’re working on speech processing for PA systems or amateur radio transmitters, managing the dynamic range of your audio…

Audio compressor for microphone
audioCircuits

Audio compressor for microphone

adminJune 24, 2025August 28, 2025

This circuit diagram illustrates an audio compressor for microphone signals. Its primary job is to even out the volume of…

Condenser Mic audio amplifier: DIY Guide
audioCircuitsDIY

Condenser Mic audio amplifier: DIY Guide

adminApril 30, 2024August 28, 2025

Condenser Mic  amplifier The compact, low-cost condenser mic amplifier described here provides good-quality audio of 0.5 watts at 4.5 volts.…

Dynamic speech compressor with audio preamplifier
audioCircuitsDIY

Dynamic speech compressor with audio preamplifier

adminSeptember 27, 2023June 26, 2025

Dynamic speech compressor or simply audio compression is an audio signal processing operation that reduces the volume of loud sounds…

Simple audio compressor for SSB HF Radio rigs
audioCircuitsDIY

Simple audio compressor for SSB HF Radio rigs

adminAugust 10, 2023August 28, 2025

Simple audio compressor for SSB HF Radio rigs An audio/speech compressor is a device that reduces the dynamic range of…

audioCircuits

Circuits – LM386 Audio oscillator

adminJanuary 30, 2022August 28, 2025

LM386 Audio oscillator This one is excellent application of widely used audio amplifier IC LM386.Its output is square wave at…

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