> Brent, I have used Sinclair, Telewave, Microcom, and EMR isolators with good results. Note that a circulator becomes an isolator when you add the 50 ohm load(s) to it. Also note that proper tuning of an isolator is accomplished with known-good loads that are 50.0 +/- 0.5 ohms. If you buy just a circulator that has been factory tuned with exact loads, and then install your own possibly less than exact loads, its performance as an isolator may not be satisfactory.
If your circulator or isolator is going to be used in an Amateur Radio installation, both Telewave and EMR will discount the price by a significant amount, usually 30%. I don't know if the others will do that. If the purchase is for commercial use, both TESSCO and Talley Communications are good sources. 73, Eric Lemmon WB6FLY > In [email protected], "Brent" <[EMAIL PROTECTED]> wrote: > Who is a good source for circulators ? And what make and model are > being used in the field ? > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/

