we use a lot of TX RX products
John
- Original Message -
From: Howard
To: Repeater-Builder@yahoogroups.com
Sent: Friday, May 16, 2008 10:56 AM
Subject: [Repeater-Builder] Preamp Info Wanted
Hello to all and thanks for reading.
I am in the market for a preamp for my
Howard, there are a couple of things to keep in mind on installing a preamp:
1. The losses in the duplexer and feedline cannot be made up in a preamp placed
at the receiver input. You can increase the receiver gain with a preamp, but
those losses are not recoverable.
2. You want to place the
Jim Brown wrote:
Sensitivities in the order of .35 uV for 12 dB SINAD are common and they
can be improved with a preamp, but if you are already using a receiver
with .15 or so sensitivity, you will not be able to see any improvement
by adding a preamp. In fact, it is quite possible to
Great info given But something else to consider Where is the Repeater
Located , Maybe a Place You cannot get to Easy in the winter on a
Mountain Etc , I use the advanced research Preamps on My 440 and 220
Repeaters ,
They work Great Except when the GasFet goes Bad it is Like a 20 DB Or
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