|[AMRadio] Tech info for some mow dern stuff.|
randyn3lrx at gmail.com
Thu Aug 3 10:22:48 EDT 2017
I like My Super Sr. Mine's the original 160/80m version. Even though
I'm afraid to run it up an more than 40 watts carrier which nobody
hears me. I've tested it on the dummy load with a peak reading meter
and it will do 400 watts carrier 1,500 watts pep. One of these days
I'll get to use it to its fullest potential. Just not in this
apartment. I just wish I had the funds to buy another one. This time
the 80/40m version. Perhaps I'd have better luck with 40m in this
My antenna consists of 2 75m HamSticks in a vertical dipole
configuration on a 36" bar clamp that I clamp to my railing. I'd like
to try 40m even 20m but I've talked to Bruce (K7DYY) about that and
it's just not cost effective to make a 40m/20m Class D. The FETS are
much more expensive and band switching becomes a nightmare. What you
wind up with is a mono bander that costs as much as the dual banders.
I may be forced to buy a plastic radio for the car and run mobile
since I can't run fixed. I've considered an FT-857D for the car.
73 es gl de Randy N3LRX
On Thu, Aug 3, 2017 at 6:16 AM, Rob Atkinson <ranchorobbo at gmail.com> wrote:
> On Wed, Aug 2, 2017 at 1:46 PM, Randy Berry <randyn3lrx at gmail.com> wrote:
>> My Plastic Radio is a K7DYY Super Senior.
> That's an AM rig. A plastic radio is a manufactured slopbucket
> transceiver, usually solid state and made off-shore after around 1980.
> The DYY rig, is a real AM rig, class D. a few broadcast transmitter
> manufacturers briefly made tube class D pulse width rigs in the 1980s.
> Continental made one that ran three 3-500Zs, two for the final PA and
> one to switch it on and off.
>> It might be modern but at
>> least it's a REAL AM transmitter, and legal limit out of the box.
> Depends on what you mean by "legal limit."
>> I tried to build a Class E transmitter but that project is still in
>> pieces. in my closet. I'd love to build a big bottle rig one day when
>> I have the space to do it.
> Good luck with the class E rig. Also hope you realize your dream of a
> tube maul.
> Once you go vacuum in a rack there's no retraction back. One look at
> hot glass and you'll give solid state a pass.
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