NE555 based Microphone amplifier

audio Circuits DIY Tools

NE555 based Microphone amplifier IC NE555 or commonly known as 555 is an IC that…

audio Circuits DIY radio

Stop fading into the noise! Build this simple, low-cost speech compressor using the LM324 quad…

Antenna DIY radio

Amateur Radio - End fed Halfwave antenna - Web resources and links An end-fed half-wave…

audio Circuits DIY

Audio processors and Speech compressors are important in SSB radio because they can help improve…

This article presents a simple, low-cost audio compressor circuit designed to stabilize microphone signal levels.…

Antenna DIY Reception

A short linear loaded ham radio band HF antenna is a type of antenna that…

Antenna DIY

This 80M Trapped dipole antenna is the work of Nadisha 4S7NR, modified by YC0HLE which…

SSM2167 audio processor for Baofeng Mic enclosure Mic gain is barely adequate on the µBITx…

audio Circuits DIY

This article describes a simple microphone compressor built with three transistors to improve audio consistency.…

audio Circuits DIY HF Tools

This project uses an SSM2167 IC as a complete microphone preamplifier with built-in compression and…