Re: [Repeater-Builder] Re: Impedance Matching of Power Amplifiers

[Russ Stafford]

If ever think about running a circulator? It would solve this.     ----- Original Message ----- From: James To: Repeater-Builder@yahoogroups.com Sent: Tuesday, December 30, 2003 9:16 AM Subject: Re: [Repeater-Builder] Re: Impedance Matching of Power Amplifiers The worst one ... TE systems.  I have even had Motorola PA's that have decided that they do not like a particular antenna system as well as some TPL stuff.  (Most of the problems I have could probably been solved by cutting the feedline to the antenna to make it match to eliminate the reactences that show up with high input power ... very impractical since most feedlines have little to no extra length to fuss with). skipp025 wrote: James, What type of power amplifier have you used which had/has problems matching 50 ohms systems? Did you even try to first adjust the duplexer tx cavities for min reflected power into a proper 50 ohm termination at the rated power? skipp James <[EMAIL PROTECTED]> wrote: I use EMR corp "Z-matchers" to fix these problems encountered with AMP to antenna, etc. Re-tuning a duplexer as stated below will not help your match very much. I have great success with line matchers. James 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/ 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 the Yahoo! Terms of Service. 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 the Yahoo! Terms of Service.