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Old 16th May 2018, 6:51 pm   #25
russell_w_b
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Location: Penrith, Cumbria, UK.
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Default Re: TV horizontal scanning - why flyback?

Quote:
Originally Posted by G6Tanuki View Post

While the traditional way to produce these involved mechanically-rotating the scan coils round the neck of the CRT (synchronised using Selsyns etc. to the movement of the scanning-antenna) I will admit that a few years back for a computer-games business I 'reverse-engineered' a Radar-type PPI-display presentation for one of their products.
It can be done the other way round. Some RADAR equipment gives a regular computer graphic display, but can be configured into simulated PPI for that 'classic' RADAR display.
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