Thanks Jeff, Have you found that adjustments of power level output of the MastrII PA has required much retuning of the Z-matcher? I have a plan that may drop power output during power failures and I'm wondering how the z-matcher might affect things.
73, Joe, K1ike Jeff DePolo wrote: > An outboard Z-matcher works as well as the internal one on an M2 station PA; > it shouldn't matter where along the transmission line it's placed. > > If you're looking for Z-matchers, there are two Decibels (one VHF, one UHF) > on eBay right now for less money. > > As has been beatened around on this list in the past, the recomended (my > recommendation anyway) of tuning the Z-matcher if it's used at the output of > the PA is NOT necessarily to tune it for 1:1 VSWR on the input line, but > rather to tune it for maximum PA efficiency at the desired power output > level. > > --- Jeff WN3A > > > >> -----Original Message----- >> From: Repeater-Builder@yahoogroups.com >> [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Joe >> Sent: Thursday, June 25, 2009 9:37 AM >> To: Repeater-Builder@yahoogroups.com >> Subject: [Repeater-Builder] Repeater Transmitter matching >> >> >> >> I was looking around on the Telewave site and found >> transmitter matchers >> as shown below. I wonder if anyone has used one on a >> repeater, such as >> the GE MastrII? >> >> 73, Joe, K1ike >> >> MODEL >> >> DESCRIPTION >> >> FREQ. RANGE >> >> TX POWER >> >> LIST PRICE >> TZM-50 >> >> E-Z Match - Transmitter to Load >> >> 30-54 MHz >> >> 400 Watts >> >> $149.00 >> TZM-150 >> >> E-Z Match - Transmitter to Load >> >> 144-174 MHz >> >> 400 Watts >> >> $149.00 >> TZM-450 >> >> E-Z Match - Transmitter to Load >> >> 400-512 MHz >> >> 400 Watts >> >> $149.00 >> >> >> >> >> >> No virus found in this incoming message. >> Checked by AVG - www.avg.com >> Version: 8.5.339 / Virus Database: 270.12.85/2193 - Release >> Date: 06/25/09 06:22:00 >> >> >> >> > > > > ------------------------------------ > > > > Yahoo! Groups Links > > > > >
