Hi again Tim what you could try is this, put a signal gen on the tx port and see what the isolation is on the rx port, don't forget to put a dummy 50ohm load on the ant port
Steve ----- Original Message ----- From: "Tim" <tahr...@swtexas.net> To: <Repeater-Builder@yahoogroups.com> Sent: Sunday, July 25, 2010 10:28 PM Subject: [Repeater-Builder] Re: Repeater receiver testing > Hi 902, > > Understand about the sideband noise, but I figured at a MHz away, it > probably wouldn't be an issue. Getting the same performance out of > both sides of the duplexer ... about 102dB notch & 1.5dB attenuation. > > Using RG142 for all interconnects, except from TX/RX to duplexer, and > those are RG-214. > > Guess I could hookup a signal generator with a -50dBm signal into the > RX, and measure it at the input with a high impedance probe hooked to > the spectrum analyzer. Take that measurement, and then hook up the > duplexer & key it up. Check the measurement again & see if it's the > same, or more. > > Thanks, > > Tim > > > ------------------------------------ > > > > Yahoo! Groups Links > > >
