Hi All,

I am trying to identiy the final transistor in my Regency UHF 
Repeater. I have the Regency part# (4804-3402-301). It appears to be 
a Motorola manufactured transistor. Stamped on it, from top to bottom 
is the classic Motorola "M" then 301, below that 696-9, and at the 
bottom 423.

 M
301
696-9
423

The exciter puts out a maximum of 800mw, however once keyed it drops 
slowly to about 730mw over a 3 minute timespan (most likely due to 
heat). 

I was hoping to get the exciter to 1w output in order to drive a 
Micor TLE1317A PA. Since it seems the final will not put out any more 
then 800mw, i am considering replacing the final in order to get a 1w-
1.5w drive.

In the meantime we will probably be replacing the thermal paste and 
heatsink on the Final in order to try and provide better heat 
dissipation and prevent the drop in wattage.

Thanks,
Jim
KB2WMP





 

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