Build a Simple Speech Processor Circuit Using LM358
A speech processor is an essential component in amateur radio and audio systems that enhances voice clarity and intelligibility. This…
Category: DIY
Simple UJT Crystal Checker Circuit: Test Your Crystals Like a Pro
Have you ever wondered whether those crystals sitting in your electronics parts drawer are still functional? As electronics enthusiasts, we…
Build Your Own Hidden Transmitter Hunter RF Sniffer Circuit
Discover how to build a hidden transmitter hunter using a simple RF sniffer circuit. Ideal for transmitter hunts, bug tracking,…
A Classic Active Antenna for 0.5–30 MHz
Shortwave radio enthusiasts often face the challenge of weak or noisy signals, especially in urban environments. This Classic Active Antenna…
Audio Clipper Circuit Using BC547 and 1N914 Diodes
If you’re working on speech processing for PA systems or amateur radio transmitters, managing the dynamic range of your audio…
Build a Miniature FM Transmitter – DIY Electronics Project
Miniature FM Transmitter is a compact and effective project ideal for experimenting with radio communication. Whether you’re a student or…
Microphone Preamplifier with Audio Peak Limiter
The circuit shared here is a Microphone Preamplifier with Audio Peak Limiter, often used in audio recording, amateur radio, or…
DIY 3-Transistor FM Bug Transmitter Using Piezo Mic
Ever wanted to build a simple FM bug transmitter for short-range audio monitoring? This compact and low-power 3-transistor FM bug…
How to Build a 3-Watt AM Radio Transmitter
Radio frequency (RF) electronics presents an intriguing convergence of theoretical concepts and real-world implementation. For enthusiasts and engineering students, building…
Crystal Radio Explained How to Build Your Own No Power Radio
What is a Crystal Radio? Crystal radios are the most basic type of radio receivers, requiring no external power source…