What modifications have you made to this rabbit then>?  Have you talked to
any other hams in your area that use 33cm?  What have others done with
this band an terms of equipment as well?





On Sat, 8 Sep 2001, Martin McCormick wrote:

>         I happen to have the receiver half of a Video Rabbit.  All
> it is is a down converter from 902 to 928 MHZ whose IF output is
> Channel 3 which, in the American and Japanese channel allocation
> scheme is 60-66 MHZ.  If I recall correctly, it inverts so that
> carriers near the high end of the input pass band come out at the
> low end of the output pass band.  There is a pot that probably
> modulates a varactor diode which tunes the local oscillator over
> the 902-928 MHZ band so you can get away from your neighbor's
> Rabbit or other interference.
>
>         I assume the transmitter has a similar control so you can
> walk up and down the band with them.
>
>         Since the output of the receiver half is the IF output of
> the converter, it connects directly to a television set or VCR.
> The oscillator doesn't need to be rock steady and, believe me, it
> isn't.
>
>         I don't know what the transmitter looks like, but it
> easily could be built very much like the receiver except that you
> feed channel 3 in to the input and it comes out inverted in the
> 33 CM ham band.
>
>         In my neighborhood, are several cordless phones and
> remote loud speakers and wireless headsets, etc.  Some of the
> cordless phones are digital and they constantly generate little
> bursts of noise as they hop about the band.
>
>         My town is classified as a small city of about 40,000 and
> I am sure that a larger city such as Tulsa, Oklahoma City, Dallas
> or Houston would be just full of stuff in that frequency
> range.
>
>
> Martin McCormick WB5AGZ  Stillwater, OK
> OSU Center for Computing and Information Services Data Communications Group
>