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It's technically an SRF3800, which is identical to an MRF492.
The MRF492 is a 70W 12.5V 11dB gain transistor. It's close to the 2SC2290 that goes in there, the SRF3800 has a little more output and a little more gain.
Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
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