Wow Mike,
That sounds like an awesome construction project.
It would really be cool if we could get a group to "kit" the
project......hint, hint.........
73
Dan
--
K9ZF /R no budget Rover ***QRP-l #1269 Check out the Rover Resource Page at:
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Michael Sapp wrote:
> Hi Folks: For anyone considering building their own 222 and 902/3 MHz
> transverters as an alternative to buying a kit or ready made transverter
> consider this LO scheme. If you use a 170MHz LO on 222MHz with a 52MHz IF
> (170+52= 222) , it can also be used as a common LO for 902/903. The 170Mhz
> x5 is 850Mhz + 52 Mhz = 902. With radios like the ft-817 so popular as
> transverter drivers using the 6 meter IF is not a problem, and the 52 or 53
> Mhz (903) IFs will be far enough away from 50.125 MHz so as to not be a
> conflict in a multi-op contest situation. You could even use common MMICs in
> the TX/RX amplifier chains and swap BPFs with PIN diodes or small relays.
> Henry Radio has also been selling some low cost ($10~20) broadband
> amplifier modules on ebay to get into the 1~3 watt range, so it's not like
> you have to fork out $60~$90 for final TX amplifiers.
>
> Since the 222 and 902/3 MHz bands have always been "odd man out" as far as
> commercial radios one would think a two-for-one transverter would be an
> attractive option for many VHF/UHF ops. I'm surprised no one has taken
> advantage of this option as I have yet to see something like this show up in
> ham radio literature. Mike WA3TTS
>
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>
>
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