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Re: Apple ][ transistors and crystals.
- Subject: Re: Apple ][ transistors and crystals.
- From: David Wilson <mcs6502@gmail.com>
- Date: Wed, 5 Dec 2007 00:12:22 -0800 (PST)
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On Dec 5, 2:25 pm, Mike Willegal <m...@willegal.net> wrote:
> Crystal - The crystal is indeed serial, but not all serial crystals are
> the same. After quite a search, the only HC49 form-factor crystal that
> I could find, that allows the circuit to consistantly generate an
> accurate color burst is as follows:
> Vishay/Dale part number XT9UNLANA14M31818 and can be purchased at Mouser
> using Mouser number 73-XT49U1431-S
The term is actually "Series Resonant". See
http://en.wikipedia.org/wiki/Crystal_oscillator#Series_or_parallel_resonance
Good work actually finding a suitable crystal.