Re: Amplifone Grav>MH Conversion, Clock speeds??

On Fri, 16 Jan 2004 00:47:13 EST, MKDUD@aol.com wrote:

>>>Original boards had a 12.0 and 10MHz while the conversion boards replaced
>:
>them with a 10.0 and 8.9MHz respectively. :
> :
>Dedicated Conversion :
>--------- ---------- :
>Y1=12MHz Y1=10MHz :
>Y2=10MHz Y2= 8.9MHz :
>10 pin edge connector 12 pin edge connector :
> :
>Also the integration capacitors are DIFFERENT depending on the Y1 clock. :
>If you change Y1 to a higher frequency, You will need to change the :
>integration capacitor to a larger value (???). <<<

This makes sense since the timer and the integrator must be in sync, just
speeding up the clockrate wouldn't work. Though, without looking at the
schematics, I would assume a smaller valued cap for higher frequency clocks.

-Zonn

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Received on Fri Jan 16 20:15:21 2004