m0xpd's 'Shack Nasties'

A series of random and irregular jottings, documenting matters of interest (to me) in the sphere of amateur radio and beyond.

Saturday, 5 August 2023

Sample and Hold

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 I have had a Sample and Hold for a long time... It is, as you see above, a homemade module, built around five years ago to the design publ...
Sunday, 18 June 2023

encore!

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Some weeks ago I noticed a flurry of discussion of the PT2399 device on various Facebook groups of which I'm a member. The PT2399 is ma...
Sunday, 28 May 2023

Bombing Run

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I was sitting here at my computer yesterday, quietly building envelopes from a bunch of straight-line segments (no, I can't tell you why...
Saturday, 6 May 2023

SubHarmonics

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A couple of posts ago I wrote "I'll have something to say about adding and 'mixing' harmonics; watch this space."  We...
Monday, 24 April 2023

EAGLE Toroid Library is Available (again)

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Yesterday, after a request from Giannis in SV-land, I uploaded my EAGLE Library for inductors and transformers wound on FT37 and FT50 Toroid...
Thursday, 13 April 2023

VCAs and Old Dutch Masters

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 There's a saying out there, which is almost a truism:      "you can never have too many VCAs". Having some time on my hands t...
Tuesday, 28 March 2023

Logic Gates and a Modulation Curiosity

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Recently I added some logic gates to my synthesiser. Not the familiar little chips we know and love rather, logic gates especially for music...
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m0xpd
Manchester, United Kingdom
Engineer, who grew up in the age when hobbyists used a soldering iron (rather than a mouse) to mess with computers. Came late in life to amateur radio, where he operates the station m0xpd, conducts pointless experiments, and plays with words and ideas.
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