Bob Dengler wrote:
At 4/10/2006 02:13 PM, you wrote:
Tuning the transmitter fixes, filters mask.
Unfortunately without a spectrum analyzer, you'll never know it's in
comb mode. I've done this on three systems, two VHF and one 220,
and they all act about the same. Tune the TX for max
--- In Repeater-Builder@yahoogroups.com, John J. Riddell
[EMAIL PROTECTED] wrote:
David, the Fix for a Maggiore repeater working in to a
duplexer becoming a comb generator
is to put a small antenna tuner between the TX and the duplexer.
We fixed a problem here by doing that.
Tuning the
Dave, we did use a Spec Analyzer. to find this problem.
Good luck
73 John VE3AMZ
- Original Message -
From: Dave VanHorn [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Monday, April 10, 2006 5:13 PM
Subject: [Repeater-Builder] Re: Aviation Problem Returns, Need Some
At 4/10/2006 02:13 PM, you wrote:
Tuning the transmitter fixes, filters mask.
Unfortunately without a spectrum analyzer, you'll never know it's in
comb mode. I've done this on three systems, two VHF and one 220,
and they all act about the same. Tune the TX for max output, and
you'll end up on or
On 4/10/06, Bob Dengler [EMAIL PROTECTED] wrote:
At 4/10/2006 02:13 PM, you wrote:Tuning the transmitter fixes, filters mask.Unfortunately without a spectrum analyzer, you'll never know it's in
comb mode.I've done this on three systems, two VHF and one 220,and they all act about the same. Tune
Dave, I'm beginning to think there could be some improvement in the Maggorie transmitters, I worked with that one again after I took it from service, and never did get it to work right, close, but not like it could or should be. I seen your post on the squelch problem on the 220 system, makes
Well... Antennas don't create signals.
Your antenna may well be interacting with your amp in an odd way. but it's not the antenna that's making the spurs.
Can you add more feedline, so that the total length you added to the system is an even multiple of a wavelength?
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