2 m homebrew

187 links

6m Oblong Loop Antenna - Homebrew 6 meters antenna for SOTA and Parks activations.
[ Hits: 84 | Votes: 0 | Rating: 0 ]

9:1 Balun and Unun - Homebrew a 9:1 transformer and measurement for testing purposes with a miniVNA
[ Hits: 109 | Votes: 0 | Rating: 0 ]

Homebrew Z-Match Transmatch - For this project, I decided to try my hand at building a Z-Match tuner from scratch. This type of tuner has been around for a while. While the Z-match can take on several variations, what distinguishes it from other circuits is that it is a resonant circuit that uses a fixed inductor.
[ Hits: 132 | Votes: 0 | Rating: 0 ]

20-30m Vertical Antenna - Homebrew project for a vertical antenna with a coaxial-cable trap, that works on 20 and 30 meters band.
[ Hits: 73 | Votes: 0 | Rating: 0 ]

Yaesu FT-817 Audio Enhancement: Heathkit-inspired Homebrew Project - Inspired by Heathkit, author aimed to enhance his Yaesu FT-817 with audio and RF processing. Design goals included a compact enclosure, PCB simplicity, matching jacks, a visual meter, and a built-in signal generator. Despite challenges in finding a suitable compressor IC for a 5V DC mic jack, he chose the Analog Devices SSM2165/2166 series. Prototyping with a solderless breadboard, author planned a PCB layout for its versatile performance in communication use.
[ Hits: 80 | Votes: 1 | Rating: 2 ]

Building a new lithium battery - Homebrew a custom lithium battery pack with 5s3p batteries
[ Hits: 90 | Votes: 0 | Rating: 0 ]

Homebrew uSDX TRX - The Homebrew uSDX SDR TRX is an experimental transceiver primarily designed for CW and Digital modes due to limitations in meeting FCC requirements for SSB. Developed from the QRP Labs QCX, it incorporates advanced SDR features while utilizing an 8-bit ATMEGA328P. The µSDX community fosters open-source development with various design streams and versions, encouraging collaboration and sharing among enthusiasts.
[ Hits: 47 | Votes: 0 | Rating: 0 ]