[Amps] Amplifier Rule Changes in the new R&O

[Joe Subich, W4TV]

> Sure, no problem, but would it be hard enough to disable?

Probably harder than wiring around a bandstop filter and removing 
a stop in the bandswitch which seems to be the "standard" under 
the current rules.  

If a PIC or simple processor was programmed to control the T/R 
switching, bias, grid trip, and plate overcurrent (arc detection) 
- all of which are very easy to do - disabling the controller 
would disable the amplifier.  I can see a controller doing 
many functions more reliably and at lower cost than individual 
discrete circuits.  
 
73, 

   ... Joe, W4TV 
 




> -----Original Message-----
> From: amps-bounces at contesting.com 
> [mailto:amps-bounces at contesting.com] On Behalf Of Pete Smith
> Sent: Saturday, October 14, 2006 4:51 PM
> To: Robert Chudek - KØRC; amps at contesting.com
> Subject: Re: [Amps] Amplifier Rule Changes in the new R&O
> 
> 
> Sure, no problem, but would it be hard enough to disable?
> 
> 73, Pete
> 
> At 04:25 PM 10/14/2006, Robert Chudek - KØRC wrote:
> >It appears most everyone is thinking about 
> controlling/disabling the RF. Take the focus off 21 ~ 30 MHz 
> RF solutions for a moment.
> >
> >What's to say the internal frequency detector couldn't 
> manage the HV or Bias supplies to disable amplification when 
> detecting 26 ~ 28 MHz?
> >
> >73 de Bob - KØRC in MN
> >
> >
> >------------------------------
> >
> >Message: 7
> >Date: Sat, 14 Oct 2006 09:13:43 -0400
> >From: Pete Smith <n4zr at contesting.com>
> >Subject: Re: [Amps] Amplifier Rule Changes in the new R&O
> >To: "Paul Christensen" <w9ac at arrl.net>, <amps at contesting.com>
> >Message-ID: <6.2.0.14.2.20061014091047.03d2ae00 at mail.adelphia.net>
> >Content-Type: text/plain; charset="us-ascii"
> >
> >I couldn't agree more, Paul - but my point was precisely 
> that it DOESN'T change anything for manual amps - the only 
> way to meet the requirement is to continue to stop at 15 
> meters.  I'm a little concerned, though, that the "NOT easily 
> modifiable" requirement might even preclude sale of existing 
> manual amps, unless their certification is grandfathered.  
> After all, don't some of them require just cutting a single 
> wire or changing the plate  choke?
> >
> >73, Pete N4ZR
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