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THE AM BULLETIN BOARD => Technical Forum => Topic started by: W2TRH on March 09, 2024, 05:58:59 PM



Title: WW2 Navy RAO-2/ CNA-46187 rECEIVER
Post by: W2TRH on March 09, 2024, 05:58:59 PM
Hello out there, i have a RAO-2 receiver on the USS Slater Museum ship that has a blown power transformer. Looks likeit's the same transformer thats in an nc-100, cannot find the center tap ratting, does any one know of an off the shelf replacement for it??, Hmmand e.t.c,
Steve
W2TRH


Title: Re: WW2 Navy RAO-2/ CNA-46187 rECEIVER
Post by: W1DAN on May 02, 2024, 08:25:31 PM
Steve:

The RAO-3 manual may provide some clues:
https://www.navy-radio.com/manuals/rao3-900359-4409.pdf

See Page 66, where T104 has Secondary 1 which provides 494vac CT at 0.055a.

Dan
AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands