Yup, I was thinking the same thing... although I may use a small relay to accomplish this. Depending on how much current the RC-210 can sink to ground, gotta check on that. I don't want to toast the new controller... 73 Mike Perryman www.k5jmp.us
> -----Original Message----- > From: Repeater-Builder@yahoogroups.com > [mailto:[EMAIL PROTECTED] On Behalf Of Jim Cicirello > Sent: Monday, March 13, 2006 12:32 PM > To: Repeater-Builder@yahoogroups.com > Subject: RE: [Repeater-Builder] A couple of Micor questions.. > > Mike, > How about getting the ground you need for the PA from your controller > instead of the backplane? When the controller goes into PTT it gives you > the timing you need, i.e. the tail, etc. If the controller goes to ground > on the PTT, you could get your ground there. If it goes high, you could > use a transistor to invert the positive to ground. You wouldn't have to go > to the backplane. This is one approach that may be simple? > > Good Luck 73 > > Jim KA2AJH Wellsville, N.Y. > > _____________________________________________ > From: Repeater-Builder@yahoogroups.com > [mailto:[EMAIL PROTECTED] On Behalf Of Mike Perryman > Sent: Monday, March 13, 2006 10:52 AM > To: Repeater-Builder@yahoogroups.com > Subject: RE: [Repeater-Builder] A couple of Micor questions.. > > Thanks Jim, > I thought that was the case, but wasn't sure. I had played with putting > one of these amps on a 2m machine about 5yrs ago... but didn't recall > just exactly how I made it play. There is a single pin below what looks > to be metering attachments (4 each, in a parelellagram above it). The > only other question would be the header pins on the transmitter > interconnect board and how they figure into the mess...?? I have 2 other > chassis, and they have the header pins... just didn't want to have to do > major surgery to change the interconnect board. > > Thanks again, > 73 > Mike Perryman > www.k5jmp.us > > > -----Original Message----- > From: Repeater-Builder@yahoogroups.com > [mailto:[EMAIL PROTECTED] On Behalf Of Jim Cicirello > Sent: Monday, March 13, 2006 10:36 AM > To: Repeater-Builder@yahoogroups.com > Subject: RE: [Repeater-Builder] A couple of Micor questions.. > > Mike, If the low band PA's are the same wiring configuration as the > VHF Hi, there is a pin on the end of the Amp which must be grounded when > you transmit. Other than that, it is just 12+, Exciter in and RF out. As I > remember as you look at the component side of the amp, the pin is on the > left end. I don't remember any other exterior connections. > Good Luck, 73 > Jim KA2AJH Wellsville, N.Y. > > _____________________________________________ > From: Repeater-Builder@yahoogroups.com > [mailto:[EMAIL PROTECTED] On Behalf Of Mike Perryman > Sent: Monday, March 13, 2006 9:36 AM > To: [EMAIL PROTECTED] com > Subject: [Repeater-Builder] A couple of Micor questions.. > > First, thanks to all who responded to my requests for info regarding > interfacing the RC-210. The repeater is on the air and functioning > reasonably well! > > I do have another question though... I have a cont.-duty PA (Micor > cont duty on 40MHz split) for it, and the interconnect board I have does > not have the header pins for interfacing it. So it goes without saying I > also do not have the associated cabling. Does anyone have info regarding > how to make the outboard PA play? My question is, what gets tied to where > with regard to the interconnect board and the PA. > I couldn't find what I was looking for in my manual, as it is for an > intermittant-duty compa-station. Actually I can't find much info in my > manual regarding this PA. I did notice that it will have to be moved into > the correct band-split so there is still some work in my future... > > Thanks again.... > 73 > Mike Perryman > www.k5jmp.us > 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/
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