The 131.072 f/$1.77 is the one I am using (I just rounded
off to $2).  I hadn't run across the $0.64 4-mhz units,
but that doesn't solve my problem, as I'm also trying to
stay within the FCC 1.705Mhz limit.  1-Mhz is what I
really need or even 1.544Mhz.

Cheers,
-Neil.



-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Drew Vassallo
Sent: Wednesday, June 12, 2002 9:28 PM
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [PIC]: FCC question


>BTW, I wanted to use a 1Mhz on the petfeeder, but the
>odd thing is that digikey lists these for $7+ ea, while
>131.072khz, and 4MHz crystals are approx $2 ea.

What price sheet you lookin' at??

I can get a 4 MHz ECS xtal HC-49/UA size for $.64 in single piece quantities
from Digi-Key.

A 131.072 KHz Epson (cylindrical) goes for $1.77 each.

Both are thru-hole parts.

I did notice, however, that 1 MHz crystals are INSANELY expensive.  Up to
$17 for an ECS crystal.

Maybe I'll have to use a resonator or even just go to an RC... my timing
requirements are very loose.

--Andrew

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