On Thu, 02 Oct 2003 22:13:55 GMT, James Knott <bit_bucket@rogers.com>
wrote:

>Liam Ness wrote:
>
>> Can anyone point me to a source for circuit/schematic information on a
>> cellular rf amplifier? Preferrably something in the 3 watt range and
>> broad enough to handle 800Mhz & 1900Mhz.
>
>Unless you're experienced with microwave equipment construction, you won't
>have much luck building such a thing. Even if you were able to, it'd be
>illegal for you to use it.

I've been homebrewing in the 50Mhz range for a few months, so I'm game
to try the higher frequencies. I've become pretty good at putting
things together, but I don't have the background to design something
myself.

I'd be very interested in what you are basing your statement that it
would be illegal to use a 3 watt range rf amp. There definately are
regulations on how much power you can transmit on at the cellular
frequencies, but I believe 3 watts is alright as it has been done in
the past by the cell phone manufacters.

So, if you can point me to a source for circuit/schematic information
or to back up your claim on the wattage I'd be thankful. If you have
the backup for your wattage claim, I'd be thankful if you could also
point me to a source that defines max output at each cell frequency.