Why would an amplifier need a microprocessor unless it had
auto-tuning. And just by switching to manual tuning you get around the
problem.
73
Bill wa4lav
At 08:44 AM 10/12/2006 -0700, Jim Brown wrote:
>On Thu, 12 Oct 2006 08:40:34 -0400, Paul Christensen wrote:
>
> >From a manufacturer's perspective, there's still quite a burden as no gain
> >can occur between 26-28 MHz. The new rule sounds great at first, but
> outside
> >of relatively complex circuitry, how does a manufacturer offer a
> traditional
> >(no microprocessor or internal freq. counter) legal-limit amp that is
> >capable of 1500W at 28.000 MHz, but is unity gain or inoperable at 27.999
> >MHz? Simple filters won't work.
>
>If your amplifier has a microprocessor, it shouldn't be too tough to sense
>the input frequency and cause the amp to shut down within the specified
>limits. And since it would be in firmware, it would be tough for a non-techie
>to circumvent. If I'm not mistaken, several of the "big boys" have been using
>microprocessors and/or DSP for a while.
>
>Jim Brown K9YC
>
>
>
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