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Home Software Defined Radio Academy › David Minchin, VK5KK: The mcHF SDR and SDR Microwave in Australia
David Minchin, VK5KK: The mcHF SDR and SDR Microwave in Australia
David Minchin, VK5KK: The mcHF SDR and SDR Microwave in Australia HD Mp4 3GP David Minchin, VK5KK: The mcHF SDR and SDR Microwave in Australia  Video and MP3 David Minchin, VK5KK: The mcHF SDR and SDR Microwave in Australia 3GP Video
File Name : David Minchin, VK5KK: The mcHF SDR and SDR Microwave in Australia
Published: 22 Mar 2016
Duration: 33.35 Sec
Channel: Software Defined Radio Academy
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The first part of the paper will provide a description of the mcHF SDR, an open source HF transceiver project based on hardware and firmware developed by Chris Atanassov (M0NKA). The project was first publicised in late 2013 with hardware being released in April 2014. Development of the firmware has been a collaborative effort with significant contribution from Clint Turner (KA7EOI). The mcHF transceiver is capable of SSB/CW operation on all HF bands from 3.5 MHz to 28 MHz with a nominal output power of 10 Watts. It consists of two main modules, the controlling user interface (UI) PCB and the SDR transceiver (RF) PCB in a compact arrangement. The UI utilises a STM32F407 32 bit CPU for all control functions coupled to a 2.8" colour LCD screen to display frequency, status, etc. The second part of the paper will focus on the author's experiments with the mcHF and other SDR's for microwave portable operations on 2.4 GHz to 76 GHz in Australia The author built his first mcHF UI in May 2014 initially to control a UHF-SDR. A second “complete” mcHF was built in July 2014 to participate in the main development with a third UI now built for firmware testing. Various arrangements have been experimented with using the mcHF with the original RF PCB as well as the UHF-SDR and STM32-SDR controller. The aim is to have a portable “one box” SDR transceiver on 144/432 MHz for operation on both Analog and Digital modes. The desired capability is to integrate digital mode encoding and decoding. For example CODEC2 firmware developed by David Rowe (VK5DGR), PSK31 (STM32-SDR) and JT65 (W1JT)