Not wanting to sound like "looking a gift horse in the mouth" what about 6 meters and 440?
The GE versions for 2 and 440 look good, but I also like the idea of a self contained version that just adds on at the antenna port. Chuck WB2EDV ----- Original Message ----- From: "Eric Lemmon" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Sunday, January 25, 2004 8:00 PM Subject: [Repeater-Builder] Z-Matcher Component Values > With some help from Bill Lieske of EMR, I now have the information about > the EMR #6450/Z VHF Impedance Matcher. > > The unit comprises a simple pi network inside a 1" by 1" by 1.25" > shielded box, with a male N on one end and a female N on the other. The > unit is symmetrical, so it makes no difference how it is connected. > > A Johanson #5502 piston-type variable capacitor, 1 to 20 pF, is > installed right at each connector, with an air-wound coil between them. > The coil is #18 bare copper wire, and is three turns having an inside > diameter of 3/16", spread out so that there is 1/16" of space between > each turn. Although I've never had to do this, the coil can be squeezed > or stretched a bit if either or both capacitors run out of adjustment > before a match is achieved. The specified capacitors are MIL-SPEC > components, being designated as #PC31J200 in MIL-C-14409. The > manufacturer's data sheet for this capacitor can be found at: > <http://www.johansonmfg.com/avc/5500.htm> > > 73, Eric Lemmon WB6FLY > > 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/
