[Elecraft] KPA500 feature suggestion - band bypass

[iain macdonnell - N6ML]

Well that sounds very disappointing ... can we gets specs on the
maximum reflected power that this sensor circuitry can safely handle ?

    ~iain / N6ML


On Wed, Apr 6, 2011 at 8:33 PM, Jack Brindle <jackbrindle at me.com> wrote:
> Think twice before you do this. Subjecting the KPA500 to very high SWR
> between the transceiver and the antenna (with KPA500 in between, even if at
> standby) might damage the KPA500 circuitry. The ATU belongs _after_ the
> KPA500, not before it.
>
> Even though the amplifier section is bypassed, there is still sensor
> circuitry active in the front end of the KPA500 that may be damaged from
> high power and SWR.
>
> If you are going to do something like this, be sure to built a relay box
> that bypasses the KPA500 to protect it.
>
> Jack Brindle, W6FB
>
>
> On Apr 6, 2011, at 11:53 AM, iain macdonnell - N6ML wrote:
>
>> A feature suggestion ... may not be the best time for it, but incase
>> it could be worked into the dev-cycle somehow....
>>
>> I'd like to be able to configure the KPA500 to automatically put
>> itself in standby on certain bands, and active on others...
>> configuration would look like the K3's band-map.
>>
>> The reason... in my remote setup, I have resonant antennas on some
>> bands, and currently use a KAT3 to make other bands (mostly WARC)
>> work. I'd like to be able to use the KPA500 on the "main" bands, but
>> still use KAT3 on the others... without having to remember to place
>> the KPA500 in standby..... at least until the KAT500 is ready :)
>>
>>   ~iain / N6ML
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