Hi Darrell, I never done it, and will like to try it. Can you send me a sketch of the setup, with a brief explanation of your procedure for accomplishing this? Will appreciate it very much Darrell.
v44kai.....Joel. ----- Original Message ----- From: "jistabout" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Sunday, June 22, 2008 12:06 AM Subject: [Repeater-Builder] Duplexer tuning with an Oscilloscope > Hi All, > > Just curious if anyone here has used a wide-band oscilloscope (along > with a signal source, of course) for duplexer and/or filter tuning? > > I use an older Tektronix 7904 500mhz scope along with an HP 8640B > Signal Generator and it works great. I can't really measure filter > response, but I can see amplitude changes both large and small very > well, which allows for quite precise tuning. I've tuned a couple of > pass/notch type duplexers and several notch-only units with this setup > and they all work nicely. > > Anyway, wonder if anyone else does this and general comments on the > technique. Thanks! > > - Darrell/KA7BTV > > > > > > > ------------------------------------ > > > > Yahoo! Groups Links > > > -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG. Version: 8.0.100 / Virus Database: 270.4.1/1512 - Release Date: 6/21/2008 9:27 AM
