[GPS_Standard] New Freq Standard Project

[Bert, VE2ZAZ]

Hi Bob,

HP oscillators require that you set the tuning slope to negative, otherwise
the system will never lock. As for tweaking the other parameters, I provide
suggestions of values on my website, but maybe other users will want to make
suggestions to you.

Best Regards,

Bert, VE2ZAZ

----- Original Message -----
From: <k7hbg at dslextreme.com>
To: <gps_standard at mailman.qth.net>
Sent: Friday, March 21, 2008 12:13 AM
Subject: [GPS_Standard] New Freq Standard Project


Hi Everybody;
 I've gotten everything hooked up and correctly powered. GPS_STD is
talking and all seems to be kinda working and so, I have a question.
 I'm using a 10811 oscillator with an electrical tuning of (-)5v to +5v
and frequency decreases that is, increasing the tuning voltage from neg
to pos. decreases the output frequency. Do I set the controller PIC
through MonTrol for a positive or negative tuning slope?
 Are there any other parameters that I should "tweak"?
Best regards, Bob K7hbg




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