[Amps] Amplifier scenario question

Pete Smith n4zr at contesting.com
Thu Sep 17 07:14:12 PDT 2009


The older VFD wattmeter also has a VSWR alarm that lights an LED, and 
they had an add-in kit to provide a relay.  Homebrewing the relay 
circuitry would be quite easy.

73, Pete N4ZR
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On 9/17/2009 9:23 AM, bob finger wrote:
> It already exists in at least the Array Solutions watt meter.  I have
> two of them protecting both amps.  Breaks the ptt line very quickly and
> has a choice of sense parameters. Mine are set for 2.5:1 vswr trip.   73
> bob de w9ge
>
> Bill Fuqua wrote:
>
>    
>>     Perhaps a nice thing to have would be a SWR limit detector of some sort
>> to quickly switch the bypass relays so the signal is routed around the
>> amplifier.  Sounds like a neat product for a small market.
>>
>>
>>
>>      
>
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