Khanfar Spectrum Analyzer: A Free RTL-SDR Tool Suite Worth Knowing

Khanfar Spectrum Analyzer: A Free RTL-SDR Tool Suite Worth Knowing: A detailed look at the Khanfar Spectrum Analyzer free RTL-SDR tools covering real-time FFT, wideband scanning, CFAR , IQ recording, and radio direction finding

Build a Simple FM Band Transmitter Circuit

Build a Simple FM Band Transmitter Circuit: This simple FM band Transmitter circuit offers an excellent starting point for beginners can build this transmitter using common electronic components.

Want to build an FM transmitter from scratch? 🎙️📡

This simple circuit uses a single 2N2222A transistor and a 9V battery to create a functional FM band broadcaster. A great weekend project for learning about tank circuits and frequency modulation!

Schematic and build guide: https://vu3dxr.in/build-a-simple-fm-band-transmitter-circuit/

Mini FM Radio Transmitter

Mini FM Radio Transmitter: FM Radio Transmitter takes your voice from a microphone and turns it into a r signal. Then, this radio signal can be picked up by any standard FM radio nearby.

Build your own tiny radio station! 🎙️📡

This Mini FM Radio Transmitter circuit is a great way to learn about oscillators, tank circuits, and RF modulation. Simple components, 9V powered, and easy to tune.

Details and schematic here: https://vu3dxr.in/mini-fm-radio-transmitter/

DIY Moxon Rectangle Beam Antenna for 10m, 15m, and 20m Bands

DIY Moxon Rectangle Beam Antenna for 10m, 15m, and 20m Bands: Master the DIY Moxon Rectangle Beam antenna. Detailed guide on dimensions, design, and calculations for 14MHz, 21MHz, and 28MHz ham radio bands.