[Repeater-Builder] Re: Msf5000/ TLE1452A amp problems

rks > at 50 ohms so you can try swapping modules and see if the trouble follows the > module (module bad) or stays with one position (divider or summing network > resistor bad). > > Bob M. > == > --- On Sun, 4/5/09, mdnosliw wrote: > > > From: mdn

[Repeater-Builder] Msf5000/ TLE1452A amp problems

Anyone have any experience troubleshooting these amps. I have one where one stage fails after about 10 minutes. Still will make about 75 watts. Out of three of these amps I find that the third stage always seems out of balance with the other two. Are there common parts on these that fail or is

[Repeater-Builder] Re: Phelps Dodge 526 frequency range

--- In Repeater-Builder@yahoogroups.com, "mdnosliw" <[EMAIL PROTECTED]> wrote: > > I recently picked up a Phelps Dodge 526-5 on e-bay. The auction stated > that it would work in the ham band. When I received it I discovered > that it was a 470 to 512 mhz model. >

[Repeater-Builder] Phelps Dodge 526 frequency range

I recently picked up a Phelps Dodge 526-5 on e-bay. The auction stated that it would work in the ham band. When I received it I discovered that it was a 470 to 512 mhz model. If I replace the cables can I get it to tune down to the 440 segment of the band. Thanks Mark

[Repeater-Builder] UHF Preamplifier

I am currently running a AR2 preamp on my MSF5000 repeator with a cellwave 526 duplexor. I was thinking if uogrsding to Lunar preamp, but can find no reference to them on the internet. If anyone has any contact information it would be appreciated. Thanks Mark KB1IOZ Yahoo! Groups Links

[Repeater-Builder] Antenex CWB440SC UHF antenna

I recently purchased a Antenex broadband UHF antenna to use with 110w mobile Spectra. I mounted the antenna in the center of my Jeep Cherokee roof and fed the shielded NMO mount with RG-400. I get about 20 watts reflected pwr and 80 fwd, not so good. I talked with Antenex and was told no cuttin

[Repeater-Builder] Msf5000 Fan controller

Anyone have a circuit for a fan speed controller. I have a MSF500 and have tried adding 4 12 Volt fans and a (93-107) degree thermostat on the PA heatsink. The fans start when the PA has been on for about 15 minutes but they don't shut off. Any sugestions appreciated Mark Kb1IOZ Yahoo!

[Repeater-Builder] Zetron 38A

Anyone have a clue how to program this controller. I picked up a MSF500 repeater that has one. Have tried conectiing to the serial port and it does not seem to talk. Zetron has offered to sell me a book for $35 but it is not for the older model I have. Any help apreciated. Mark KB1IOZ