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13GHz Sig Gen - you can't be serious?
Well,You may recall back here when I became very inspired by a project by GM8BJFÂ using some eBay sourced Chinese modules to create an ADF4351 based signal generator.There's another variation on that...
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Even More Power!
Well,I've been messing about and finishing off my 13cm linear. The idea is to make something that will work on the 2.3GHz amateur band frequencies as well as 2.4GHz for DATV on Es'hail-2.This has been...
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Up-converting - you what?
Well,Further to the PA I made last time, today I have been finishing off the up-converter to accompany it.The theory goes something like this:The Portsdown will output DATV on 439 MHz through the...
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Radio Analog PTRX-7300 - Really?
Well,You may well have seen adverts for the PTRX-7300 from Radio Analog. This is some kind of new fangled adaptormabob for the Icom IC-7300 that gives you an RF output that you can hook up to an...
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DVB-S2 - really?
A very quick special message broadcast on the QO-100 Digital Amateur Television:Local conditions.
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JARTS - doesn't time fly
Well,It's the JARTS RTTY test once again and the bands are full of RTTY signals.Propagation contitions are very poor, but there are plenty of signals about.I've been using the IC-7610 today and it's a...
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Practical Electronics - Really?
Well,I recently built myself a project that had featured in the Oct/Nov 2019 issues of Practical Electronics (previously Everyday Practical Electronics). It is a new fangeld GPS-synced Frequency...
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More ADF4351 - really?
Well,You may recal my dissapointment back here with the Practical Electronics GPS-synced Frequency Reference.It turned out to be a load of Dingo's Kidneys.You may also recal the most excellent work of...
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More ADF5355
Well,Following on from my great invention last time, I've been fiddling some more with the ADF5355 that we used here.I've done something that feels a little silly, but is working:I have developed some...
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STM STM32F103RC8T6 - really?
Well,On popular auction sites you can find these boards for less than 2 GBP delivered:They contain (on the underside) a STM32F103RC8T6 processor from ST Microelectronics. Looking at my musings from...
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Spectrum Analysis
Well,I've been messing about recently with some inexpensive alternatives to a Spectrum Analyser. I find my Rigol DS-815 one of the best investments I've ever made, it represents excellent value for...
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Back to the BITX
Well,I wanted to do a simple (ish) construction project for my YouTube channel and decided a BITX would be just the ticket.If you like what I am doing please subscribe to my channel and give me some...
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A STM32 Processor - really?
Well,In my never ending desire to fiddle with Microprocessors and/or Micro controllers, I found these boards on my local Amazon with prime next day delivery:They are called a "Blue Pill" for some...
View ArticleMaking a 10W "QRP" ish linear
I've started to design some software that will control a low power linear amplifier.I plan to use the 10W Amp from QRPLabs as the main component - I can't make one for the price they sell these kits,...
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TFTs and Blue Pills - Are you sure?
Well,I've been using the STM32 processor (STM32F103 for those playing along at home) based "Blue Pill" board. This board is compatible with the Arduino IDE and I have been using it with the ILI9341...
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Well,I've been fiddling some more since the Linear we built a little while ago here.Some musings below on power meters, directional couplers and measuing RF power:I hope you are all keeping safe - its...
View ArticleA CW & WSPR Beacon
Well,I've been fiddling some more with STM32 and have created a DDS based CW & WSPR beacon for 6M.You can find the details of the project here:The WSPR code is by Anthony F4GOH, his code and other...
View ArticleTS-890 (Again) - Digital Config
Well,By popular request I have created my best shot at an "idiots guide" to setting up digital modes on the TS-890:I hope this is useful to someone....
View ArticleGPS Disciplined, again?
Well,I've been trying to learn more about STM32 microcontrollers, their programming and to understand more about the on-board peripherals.This is the result of my musings:Fun, egh?
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A Modest Milestone
A nice little milestone today, if you'r not already subscribed to my YouTube channel I would very much appreciate your support:http://www.youtube.com/c/MarkG0MGXLocal conditions.
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