NE555 based Microphone amplifier
NE555 based Microphone amplifier IC NE555 or commonly known as 555 is an IC that is well known among electronics…
Month: July 2023
LM324 microphone speech compressor
The circuit shown is a microphone speech compressor built around operational amplifier LM324. This amplifier circuit exhibits gain and also…
Amateur Radio -End fed Halfwave antenna – Web resources links
Amateur Radio – End fed Halfwave antenna – Web resources and links An end-fed half-wave (EFHW) antenna is a type…
Amateur Radio – Mike Preamplifier/Speech compressors/Audio Processors – Resources
Audio processors and Speech compressors are important in SSB radio because they can help improve the transmitted signal’s quality. Here…
Really Cheap audio compressor
The Really cheap audio compressor circuit diagram from www.freestompboxes.org is a simple, yet effective compressor circuit that can be built…
Short linear loaded ham radio band HF antenna
A short linear loaded ham radio band HF antenna is a type of antenna that uses linear loading to reduce…
Do it yourself 80M Trapped dipole antenna
This 80M Trapped dipole antenna is the work of Nadisha 4S7NR, modified by YC0HLE which results are matched at a…
SSM2167 audio processor for Baofeng Mic enclosure
SSM2167 audio processor for Baofeng Mic enclosure Mic gain is barely adequate on the µBITx transceiver since there is no…
Simple mic compressor using 3 Transistors for HF rigs
Simple mic compressor using 3 Transistors is a effective, compressor circuit that can be used to improve the dynamic range…
SSM2167 Microphone Preamplifier with compression for ubitx HF Transceiver
This DIY project idea based on the small board module “SSM2167 Microphone Preamplifier Board Preamp Compression Module DC 3V-5V” widely…