Tag Archives: home made

Minima build log #3 – Sorting the crystals

Posted on 31/03/2014 by Adrian

Read first! I am no longer building this transceiver. Please check other interesting projects from Farhan on the discussion group, like HF-1 Transceiver, the replacement of the Minima and some cool RF jigs, Specan and Sweeperino. Also, since I’ve lost from both … Continue reading →

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Minima build log #2 – Testing switches and AF stages

Posted on 13/03/2014 by Adrian

Read first! I am no longer building this transceiver. Please check other interesting projects from Farhan on the discussion group, like HF-1 Transceiver, the replacement of the Minima and some cool RF jigs, Specan and Sweeperino. Also, since I’ve lost from both … Continue reading →

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Minima build log #1 – Populating the boards

Posted on 03/03/2014 by Adrian

Read first! I am no longer building this transceiver. Please check other interesting projects from Farhan on the discussion group, like HF-1 Transceiver, the replacement of the Minima and some cool RF jigs, Specan and Sweeperino. Also, since I’ve lost from both … Continue reading →

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RF Wattmeter projects worked lately

Posted on 25/02/2014 by Adrian

Last two weeks, having nothing to work on so interesting, and also waiting for some parts for the Minima to arrive, I built this two measurement tools for RF power. First, this SWR meter project from Ik3OIL which I intend … Continue reading →

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PCB for Minima HF Transceiver

Posted on 22/01/2014 by Adrian

Read first! I am no longer building this transceiver. Please check other interesting projects from Farhan on the discussion group, like HF-1 Transceiver, the replacement of the Minima and some cool RF jigs, Specan and Sweeperino. Also, since I’ve lost from both … Continue reading →

Posted in Ham projects | Tagged , , , , | 37 Comments

Minima Transceiver

Posted on 19/01/2014 by Adrian

Looks like a new QRP transceiver design came from Ashhar Farhan, the creator of BitX. It is a general coverage HF rig, with Si570 oscillator controlled by Arduino and both CW and SSB mode working, that can cost up to … Continue reading →

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USB CAT and CW Interface for FT-817

Posted on 25/11/2013 by Adrian

This is a simple optical-isolated CAT interface that I’ve built recently to control my QRP rig FT-817 with my laptop, via USB, and also CW keying by software during contests. The schematic design is very simple and minimal. It contains … Continue reading →

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Portable UHF 4 elements Yagi Antenna

Posted on 05/04/2013 by Adrian

Although I’m not a big fan of V/UHF, going over DK7ZB’s website I was impressed by his numerous Yagi antenna design and their good efficiency, and also, myself, eager to do some mechanical construction, I decided to try building this four elements … Continue reading →

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A412 Transceiver. Construction Part 2

Posted on 03/09/2012 by Adrian

Transceiver’s box is starting to take a nice looking shape. After a long break with this project, these days I took some time drilling the front panel and adding all the buttons and connectors. The only thing left to do … Continue reading →

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Simple RF Generator

Posted on 31/10/2011 by Adrian

Looking for a easy to build RF generator to test and adjust my home made HF transceiver I found this nice project from http://www.vintage-radio.com. The device is very basic but suits my needs to test the band pass filters and … Continue reading →

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