Dual-Band RW4HFN Antenna for 145/430 MHz bands

Dual-Band RW4HFN Antenna for 145/430 MHz bands: This dual-band RW4HFN antenna that allows amateur radio operators to transmit and receive on both the 2-meter (145 MHz) and 70-centimeter (430 MHz) bands.

VK3YE’s AGC circuit for ubitx

VK3YE’s AGC circuit for ubitx: VK3YE’s AGC circuit for ubitx uses a conventional audio AGC circuit which drives a LED that is optically coupled to a Light Dependent Resistor (LDR).

Simple mic compressor using 3 Transistors for HF rigs

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 of a microphone signal.

Build Your Own Commando AM Transmitter

Build Your Own Commando AM Transmitter: Build your own Commando AM Transmitter circuit with 3 transistors. Complete guide covers Q1 oscillator, Q2 buffer & Q3 amplifier stages.

Build Your Own 40M AM Transmitter: A Classic Radio Project

Build Your Own 40M AM Transmitter: A Classic Radio Project: This blog post delves into the construction of a 40M AM transmitter. Perfect for hobbyists offers a fantastic hands-on experience with RF electronics.

Build Your Own Hidden Transmitter Hunter RF Sniffer Circuit

Build Your Own Hidden Transmitter Hunter RF Sniffer Circuit: Discover how to build a hidden transmitter hunter using a simple RF snifter circuit. Ideal for transmitter hunts and bug tracking with minimal components.

Simple UJT Morse Code Practice Oscillator Circuit

Simple UJT Morse Code Practice Oscillator Circuit: Learn to build a simple UJT Morse code practice oscillator with basic components. Perfect beginner electronics project for ham radio enthusiasts.

Mosquito TRX: Single-MOSFET 40-Meter (7030 kHz) CW Transceiver

Mosquito TRX: Single-MOSFET 40-Meter (7030 kHz) CW Transceiver: Detailed explanation of Mosquito TRX circuit. Learn how the IRF510acts as crystal oscillator/PA for QRP transmission and direct conversion mixer for 7030 kHz