|[AMRadio] dds information|
KC8OPP Roger S.
kc8opp at yahoo.com
Fri Jul 16 16:44:47 EDT 2004
I use a Raytheon RA-250 on 160 and for the VFO I
bought a master oscillator for an ARC-38 from the Fair
Radio Store. I think that it was around $35. Inside
this beast is a Collins PTO that tunes 1.75-3Mhz, I
may be off a bit on the freq range.
I built a regulated power supply and added a cathode
follower circuit for the PTO and use it to feed the
grid of the oscillator in the RA-250. Works great,
very stable and easy to use.
Looked at your web site and saw the RCA, looks great.
I am in the process of re-working a RCA BTA-1R for
multi band operation. You can have a look at it here,
I will be using a Kenwood 520 for an exciter for the
RCA. I have been using this same radio with a HB rig
for the last year and seems to work good.
Good luck with your projects.
--- Neal Newman <groucho at skyweb.net> wrote:
> Jim Do you have a website up?
> I run a few broadcast transmitters on 160 Meters
> AM.... looking for a
> crystal replacement to change Frequencys On 160
> meters.. any plans on a
> VFO for these type Rigs?
> Neal Newman-KA2CAF
> Big Iron collector
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