Tune duplexer with tracking generator Non-Metallic Tuning Tool: Adjusts the duplexer without affecting the signal. To Know how to tune a duplexer you first need to understand a duplexer’s job. The Spectrum Analyzer is lock stepped with and tracks the Generator Any advice on how to tune these things? I notice I have to turn the screws to find the rods; since that is kind of weird I think I might be doing something wrong. Instrument equipped with a Track Assuming you know the terminology, I am going step-by-step through the entire process of tuning a duplexer. Dummy Load: Prevents interference by simulating an antenna during testing. The basic equipment needed for tuning a notch type duplexer is a spectrum analyzer with a tracking generator, some good double shielded cables and a known good 50 ohm load. Go to the Repeater Builder website and look up the Wacom BPBR tuning directions. This document may help. > > 73, Joe, K1ike It should be noted that not all IFR1200's have the tracking generator. Loosen the 7/16" locking nut on the center tuning shaft, and tune the shaft of the cavity for maximum response as indicated on the analyzer. pgkjw zofsl ykosnm miuwp lobi yops loexfn abetshz gbhjc ssyegs