We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissible in your locale.

« previous next »
Pages: [1]

Author Topic: Add to an AM CB NBFM Kit?  (Read 10212 times)

ThaDood

  • DX Legend
  • ******
  • Posts: 1648
    • Likely, not where you are.
    • Extreme, Part #15!
    • Email
Add to an AM CB NBFM Kit?
« on: November 12, 2025, 1914 UTC »
https://www.spectrumcomms.co.uk/CB_Kits.htm  Scroll to the FMD455 FREQUENCY MOD-DEMOD.  I've bought two of these, since I have enough CB's as it is, I don't need to shell-out a C-Note for a newer AM / FM CB. So, here's how you could roll your own. You tap the 455Khz IF on the Receive side. On Transmit, tap the 10.240MHz master crystal, on the vari-CAP. BTW, how I came upon this is searching for a replacement VCO board to recondition an RCA SSB Co-Pilot #14T302 CB, and this place had that. So, if you don't want to sell-out money for a newer CB, with FM, this can be a way to go, kit-wise.
Logged
The best two statements of advice that I've ever gotten are from my brother-in-law in the early 1990's. 1st one, when I bought a used '89 Olds Cutless, my bro-in-law said, "Congratulations!!! You've just bought a deficit!". The other, was on a work environment, " No matter where you go, it's going to be f***'ed -up!". No truer words have been spoken.
Pages: [1]
« previous next »