Classic 2-Transistor Microphone Compressor
Ever wondered how classic audio gear tames loud volume spikes without complex integrated circuits? This…
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HF
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HF
radio
Microphone Pre-Compressor Circuit for SSB Transceivers
Clean, punchy audio is critical for effective SSB communication, especially when operating QRP or low-power…
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DIY
HF
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Microphone Preamplifier with Diode Clipper for SSB Transceivers
Simple microphone preamplifier with diode clipper to boost and limit SSB audio for amateur radio…
audio
Circuits
DIY
Microphone Preamplifier with Audio Peak Limiter
Build a simple microphone preamplifier with audio limiter using 2N3904 transistors and 1N34 diodes. Ideal…
audio
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Audio compressor for microphone
This microphone audio compressor uses an LM324 op-amp with multi-stage amplification, diode-based gain control, and…
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HF
radio
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Microphone Audio Compressor in Single Sideband Radio
This microphone audio compressor for SSB radio combines a low-noise preamplifier with automatic gain control…
audio
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Microphone compressor using LM1458
The LM1458 is a dual operational amplifier (op-amp) that finds applications in audio amplification and other…
audio
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Condenser Mic audio amplifier – DIY Guide
The compact, low-cost condenser mic amplifier described here give good-quality audio of 0.5 watts at…
audio
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Dual microphone noise cancellation using LF351 Op Amp
This dual-microphone noise cancellation circuit uses two microphones placed back-to-back, with one signal inverted and…