[Repeater-Builder] Astron RS-35 Perplexed problem

2007-06-10 Thread Mark Boden
I am struggling on an old RS-35 that is spiking. Currently I have the crowbar disconnected for trouble shooting. The power supply will come on with no load connected. After a couple of minutes or seconds as the case may be, the output will start to show spikes. Using my Fluke 87 to record,

[Repeater-Builder] Re: Astron RS-35 Perplexed problem (SOLVED)

2007-06-10 Thread Mark Boden
to adjust and away from the hot environment. If the pot doesn't solve the problem, call Astron at 949-458-7277 and ask for Fred in Tech Support. 73, Eric Lemmon WB6FLY -Original Message- From: Repeater-Builder@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Mark Boden

[Repeater-Builder] Caution on Bomar Crystals

2005-05-10 Thread Mark Boden
phone order. They did allow me to send them back for full credit. They suggested that I be careful in ordering next time. I think I learned my lesson on this first order. This is a disappointment. Mark Boden - N4TZV Yahoo! Groups Links * To visit your group on the web, go to: http

[Repeater-Builder] Re: DB224 Loop Lengths for 145.110 Mhz?

2005-01-25 Thread Mark Boden
When I converted my 224 to VHF amateur band, the element length went from 35 inches (150mhz unit) to 37 inches (144mhz). The spacing on the elements was somewhat limited by the new harness length. Had to work with it a good bit to get somewhat equal spacing on the pole. Had to lengthen

[Repeater-Builder] Problems with Hamtronics Amp

2004-09-15 Thread Mark Boden
I have a problem that is got me swamped. I converted a Hamtronics 2m amp into a 220 amp. Just followed the schematic and changed all the caps and redid the coils. Problem is that for 2 watts in I get 2 to 3 watts out. For a simple 1 transistor circuit it don't make sense. Even changed