Friday, December 26, 2025

Noise Cancelling Condenser Microphone

Noise Cancelling Condenser Microphone: Noise cancelling condenser microphone is a great choice for noise-cancelling applications, work in conjunction with active noise-cancellation.

Thursday, December 25, 2025

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

Tuesday, December 23, 2025

A Classic Active Antenna for 0.5–30 MHz

A Classic Active Antenna for 0.5–30 MHz: This Classic Active Antenna is a powerful solution designed to enhance signal reception across the 0.5 MHz to 30 MHz range.

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.

Build a Simple Speech Processor Circuit Using LM358

Build a Simple Speech Processor Circuit Using LM358: Learn how to build a simple speech processor circuit using LM358 op-amp. Ideal for amateur radio, audio processing, and voice compression application.

Saturday, December 20, 2025

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.

Integrating JTDX with sBitX for Advanced FT8 Operation

Integrating JTDX with sBitX for Advanced FT8 Operation: Learn how to integrate JTDX with sBitX v3 for advanced FT8 operation, including PSK Reporter spotting, eQSL logging, and superior weak-signal decoding.