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RadCom download – December 2016

| November 14, 2016

These files accompany the Replacement Display for the FT-290R article by Dave Crump, G8GKQ in the December 2016 RadCom. They comprise the .asm and .hex files for the PIC microprocessor. Download files (zip, 5kB) (posted using DropBox).

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RadCom download – November 2015

| October 6, 2015

This 5MB ZIP file contains design information (including PCB manufacturing files) for the Isolated CI-V Interface project. Isolated CI-V Interface project (5.5MB ZIP)

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RadCom download – September 2014

| September 30, 2014
RadCom download – September 2014

The following downloads support the RSGB Centenary Receiver. Matters arising since publication: The voltage rating for the electrolytic capacitors should be 16V or higher. Some people have reported the 2N3819 FET as difficult to obtain. A number of eBay suppliers  offer them, or a suitable substitute is the BF256B – but note that the pinout […]

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RadCom download – January 2014

| September 30, 2014
RadCom download – January 2014

This 21.6k ZIP file contains the  files to support the G0MGX Arduino Power Meter article. www.rsgb.org/download/g0mgx-arduino-vswr The author spotted  some errors in the circuit diagram after publication and has supplied a replacement. The updated version includes switches on pins 47 and 49 and corrects the connections to pin 8 of the sample & hold opamps IC2 […]

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