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NNTP-Posting-Date: Mon, 03 Feb 2025 02:00:34 +0000
Subject: Re: Turn Your Radio On ...
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From: "WokieSux282@ud0s4.net" <WokieSux283@ud0s4.net>
Organization: WokieSux
Date: Sun, 2 Feb 2025 21:00:32 -0500
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On 2/2/25 5:20 AM, The Natural Philosopher wrote:
> On 02/02/2025 00:24, rbowman wrote:
>> On Sat, 1 Feb 2025 20:13:41 +0000, The Natural Philosopher wrote:
>>
>>> On 01/02/2025 19:57, Charlie Gibbs wrote:
>>>> On 2025-02-01, Lars Poulsen <lars@cleo.beagle-ears.com> wrote:
>>>>>
>>>>> The French version of color TV encoding was called SECAM, often
>>>>> translated as "Supreme Effort Contre les AMericains".
>>>>
>>>> Or "Something Essentially Contrary to the American Method".
>>>>
>>> LOL. The US system was truly dire for terrestrial broadcasting and only
>>> just acceptable for cable.
>>>
>>> PAL was good enough for the rest of the technology
>>
>> Ah, but NTSC had a far reaching impact that had nothing to do with TVs.
>> Because of the TV consumer market 3.57954 MHz crystals were dirt cheap 
>> and
>> showed up everywhere. I believe some variant of the 8253 PIT still lives
>> in PCs and runs at 1/3 or 1.19318 MHz. Roll the 16 bit counter over and
>> you had the 55 msec tick.
>>
> Yup. In the UK/Europe the crystals for PAL were 4.something MHz
> I use them in a digital design.
> 
>> PAL crystals were used in some markets to be compatible with the TVs but
>> never had the off label reach.
> 
> I don't actually understand that statement

   I suspect he means that NTSC crystals were handy
   and thus used in MANY devices - driving down the
   price and enhancing availability. Kinda like the
   baud generator for modems, 32.768 Khz, that were
   also used in electronic clocks/watches ... they
   likewise became 'ubiquitous'.