RE: Asteroids replacement crystals.

5% of 12,096,000 =604,800. So if the 12.096 MHz crystal was in spec at +/-
5% it could be less than 12MHz. Unless you are going for the world record
on the board the 12MHz crystals will be fine. I've used both for years with
no problems. I've even accidently used a 10Mhz crystal - the game worked
but the sounds were slower which gave it away.

Bill

  _____

From: owner-vectorlist@vectorlist.org
[mailto:owner-vectorlist@vectorlist.org] On Behalf Of Kevin Moore
Sent: Monday, November 30, 2009 1:25 PM
To: vectorlist@vectorlist.org
Subject: Re: VECTOR: Asteroids replacement crystals.

Perfect. Nothing wrong with them, was just trying to order all my stuff from
one place to save shipping. I'll just see about ordering everything from DK

Thanks Pat..

Kevin

On Mon, Nov 30, 2009 at 12:49 PM, Pat Danis <patdanis@verizon.net> wrote:

what is wrong with these?

http://parts.digikey.com/1/parts/396275-crystal-12-096-mhz-ser-49us-ecs-121-
s-4.html

here is some info I found while googling

http://forums.arcade-museum.com/showthread.php?t=107033

I'd stick with the original myself in case somebody goes for the record and
then finds they've been hosed.

Pat

Kevin Moore wrote:

I've got some asteroids boards, that the crystals are broken off. Manual
states 12.096 + or - 5% So a 12 MHZ should work just fine right? I'm looking
at these low profile ones. Would these work?

http://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1
<http://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&st
oreId=10001&catalogId=10001&productId=325201>
&storeId=10001&catalogId=10001&productId=325201

  _____

 
 
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Received on Mon Nov 30 17:57:46 2009