TIP: Click on subject to list as thread! ANSI
echo: ham-sale
to: SCOTT CHRISTENSEN
from: JEFF KINCAID
date: 1997-08-12 12:30:00
subject: RE: 440 HT xtals

SC>Roy Witt writes in a message to Ivy Iverson
SC> RW> 8 x 53.3625 = 426.9 - 440.300 = -21.4/2 equals -10.7? What
SC> RW> they do with double 10.7 IF's is beyond me.
SC>The high IF is actually 21.4 in a HT440 or HT90.  Other
SC>than that, you are correct.  The one gotcha is that they
SC>use under or over injection based on the frequency range
SC>that you are in - because of image rejection issues.  You
SC>really need a manual to figure out the exact crystal
SC>frequency because of this.
Scott, I'm trying to get an HT90 going too, so I really appreciate that
info.  I figure the crystal maker might have the details (usually they
do), but I'm still going to need a manual to tune the thing up.  Got one
over there, by any chance?
73 de WA6BIL
___
 X QMPro 1.53 X If you mess with it long enough, you WILL screw it up.
--- Maximus 3.01
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* Origin: Long_Island RB VAX/EC (V34/HST) [310] 370-4113 (1:102/138)

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