Re: 70Mhz FM amplifier circuits..

From: Watson A.Name - \ (NOSPAM_at_dslextreme.com)
Date: 12/28/04


Date: Mon, 27 Dec 2004 18:06:50 -0800


"Erwin Maes" <erwinmaes@pandora.be> wrote in message
news:Fiwzd.10467$ho5.783419@phobos.telenet-ops.be...
>
> Hi,
>
> does anyone have a link to a circuit for building a 20W RF amplifier
> (FM) for my RF plane?I'd like to fly with the live cam on beyond my
line of sight, but the
> transmitter has only about 0,8W power, so the range is about 1000
metres.
> I'd like to extend it to about 5000 metres.
> Most FM amplifiers use the radio frequencies of 88-108MHz...

The FM amplifiers should work at that lower freq with lower output, of
if you retune it or pad the capacitors, it should put out more power
than in the FM band. Remember, you may be violating the power limits
for the band.

> Any links, tips are welcome!
>
> A merry christmas and a happy new year to you all!
>
> --
> Happy surfing!
>



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