skipp025, On the Micor PA for 220 I assume you disconnected the LPF and was using a VHF PA.
Since the Micor PA did have tuning did you modify the variable caps; lowering their value??? 73, ron, n9ee/r >From: skipp025 <[EMAIL PROTECTED]> >Date: 2007/07/13 Fri PM 12:36:06 CDT >To: [email protected] >Subject: Re: [Repeater-Builder] Hamtronics > >I have converted Micors and it's not even close to a free lunch. >Best I was able to do with a full on 220 micor pa conversion was >about 20 to 30% of rated power. I also suspect the transistor/devices >don't perform very well that far above their spec'd range of >operation. >s. > >> Ron Wright <[EMAIL PROTECTED]> wrote: >> Eric and all, >> >> On the PA problem has anyone on the board tried using PAs from >> say Micors or GE Mastr line made for 150 or UHF on 220. >> >> These often have LPF on their output which can be taken out (don't >> like to). Since these amps are wide band they just might move >> up/down to 220. Some do have tuning like in the Micor so would be >> little harder, but GEs only have a pot for adjusting drive/output >> and some with SWR shutdown circuit adjustments. >> >> 73, ron, n9ee/r > > Ron Wright, N9EE 727-376-6575 MICRO COMPUTER CONCEPTS Owner 146.64 repeater Tampa Bay, FL No tone, all are welcome.
