Bruce-

The Micor is a solid radio. I've worked on many over the years. The 
channel element generates the RX injection, plus or minus 11.7 mhz 
(IF) and THAT, in turn, is mixed with the transmit exciter which 
operates by a (ususlly) single crystal of 11.7 mhz (simplex), 16.7 
mhz (+5 mhz offset), etc, to make the transmit freq, then on to low 
level amplifier, drivers, PA's, etc. 

There is at least one plug in board, near the front of the radio, 
which is audio/squelch. Another would be the transmit PL or DPL 
encoder. Another board is the power/control board. 

These duplex GREAT. They can make repeaters, though power should be 
de-rated plenty in that service. There is plenty of support stuff on 
teh net for a Micor. Repeater-Builder is one very good resource. 
http://www.repeater-builder.com/rbtip/micor-index.html#UHF-Mobile

technical description is here: http://www.repeater-
builder.com/micor/pdf/micor-uhf-mobile-theory-of-operation.pdf

etc...

Good luck! 

GeorgeC
W2DB/5

--- In [email protected], "pooterwizz" <[EMAIL PROTECTED]> 
wrote:
>
> Hello fine RF People,
> 
> I already know this is UHF mobile unit. I have the connector and 
cable
> (s).  What I need to know since I am new to all this RF stuff and 
think 
> this would make a good project is, is this all here?
> 
> Unit was found in an old shed. Lots of corrosion in the PA 
section. 
> connectors undone and bottom cover plate missing.  Not a problem. 
I 
> want to use this in the 440-450 Mhz HAM band. The only element in 
it (I 
> understand there should only be one) is for R-
451.875MC/1.8340.625KC 
> Mot P/N KXN1024A.
> 
> Questions, is all of this critter here?
> 
> Can I add more elements (channels)?
> 
> Do all these use the same key? (On the Handle) Maybe I can find 
the key 
> in this estste mess. (I have already found the (Handles) for 
several 
> pieces of test equipment, etc.  There are several keyrings, maybe 
> something will fit this critter!
> 
> Last, outside of getting the schematics and service manuals which 
I 
> have not fuly checked for yet but will before I begin messing with 
this 
> critter, what is needed to make this work in the 440-450 HAM band 
> preferably 5Mhz split for repeater access/use.
> 
> Thanks in advance,
> 
> Bruce (PooterWizz) Bagwell
> KE5TPN
> (Please note the new Call Sign since my last post!!!!
> 
> If you can hit IRLP node #4640 call me. (Hey, being new, it sure 
is 
> nice to hear my call sign FIRST! I usually have a scanner going by 
the 
> PM. Call a few times to let me maybe get my radio up please.  
Maybe you 
> could email me to set up a contact time at bbagwell AT swbell DOT 
net.
> 
> Thanks again!
>


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