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Posted: Sun Nov 25, 2001 2:24 pm
by colarc
I have a set of db1145 duplexers that are tuned with not only the cavities but using tuned shorted stubs. I don't have any literature on how to tune them and at the db webpage they don't list that part number anymore. Would somebody have any insight on the tuning procedure used on a setup like this?
Posted: Mon Nov 26, 2001 8:59 am
by Cowthief
Hello.
Decibel Products is located in Dallas, Texas.
I do not remember the address, but they are right on I35, just north of downtown.
The ARRL handbooks, have in the past, covered the duplexer in great detail, including the shorting stub.
Posted: Mon Nov 26, 2001 11:52 am
by motrad1
contact decibel they were very helpful to me in tuning one they sent me a book on it free of chrge jsut call them see what they say
Posted: Mon Nov 26, 2001 5:50 pm
by colarc
Thankyou for the reply I called DB and they were very helpful.