Fw: Checking KPA relays

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Fw: Checking KPA relays

n0jrn


> Hi Tom:
>
> Astron VS-35m
>
> New supply even though I've had it in the closet for quite some time.
> Course,   I'll use my lack of use as my excuse for the mess I've been
> trying to figure out.     LOL
>
> Guess what Don ????
>
> You know this very nice power supply I've been using for testing my KPA100
> has a current adjustment on it.
>
> It works really good when you turn up the current control so it isn't
> limiting how much draw you put on it.
>
> I did all the tests I planned for this evening.  Everything came out
> within specs.   So,   while testing again I noted that when the amp
> dropped out of TX,    K1 or K2 would click and the word    "  ELECRAFT "
> came up in the display on the K2.     It struck me that meant I was
> loosing power to the K2.   It was actually shutting off and coming back on
> very quickly.
>
> I figured    "  what the heck "   so I hooked up both low current and high
> current supplies and retested.  Still dropping out of TX but the K2 no
> longer restarting.
>
> WOW,      had I left a bad solder joint on the power cord I made up or
> what ??????
>
> NOPE            but I had neglected to turn up the current control on the
> Astron so it was limiting my output by cutting off the current at around
> 12 amps.         LOL   LOL
>
> I can't believe I've been sitting here pulling my hair out over something
> so simple.
>
> I was just about to send this post to list when TOM ask what supply I was
> using and if it was metered.    Reached down and turned the current
> control up and got 107 watts out of the KPA100 like a champ.
>
> SO,      give me that cone shaped hat so I can put it back on and sit in
> the corner for awhile.........
>
> LOL
>
> Many thanks to the all who have offered assistance and to Don for his
> patience.    This problem has been solved.
>
> BACK TO THE KISS RULE
>
> 73             Jerry           N0JRN
> On 12/20/2009 7:39:08 PM, Tom Hammond ([hidden email]) wrote:
>> Jerry:
>>
>> What are you using for a power supply?  Brand & ratings?  Metered?
>

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Re: Fw: Checking KPA relays

Don Wilhelm-4
Jerry,

No need to be embarrassed, all of us have had to write a "dear dummy"
reminder note to ourselves at times.
I am glad to hear that all is now well.

73,
Don W3FPR

n0jrn wrote:

>  
>> Hi Tom:
>>
>> Astron VS-35m
>>
>> New supply even though I've had it in the closet for quite some time.
>> Course,   I'll use my lack of use as my excuse for the mess I've been
>> trying to figure out.     LOL
>>
>> Guess what Don ????
>>
>> You know this very nice power supply I've been using for testing my KPA100
>> has a current adjustment on it.
>>
>> It works really good when you turn up the current control so it isn't
>> limiting how much draw you put on it.
>>
>> I did all the tests I planned for this evening.  Everything came out
>> within specs.   So,   while testing again I noted that when the amp
>> dropped out of TX,    K1 or K2 would click and the word    "  ELECRAFT "
>> came up in the display on the K2.     It struck me that meant I was
>> loosing power to the K2.   It was actually shutting off and coming back on
>> very quickly.
>>
>> I figured    "  what the heck "   so I hooked up both low current and high
>> current supplies and retested.  Still dropping out of TX but the K2 no
>> longer restarting.
>>
>> WOW,      had I left a bad solder joint on the power cord I made up or
>> what ??????
>>
>> NOPE            but I had neglected to turn up the current control on the
>> Astron so it was limiting my output by cutting off the current at around
>> 12 amps.         LOL   LOL
>>
>> I can't believe I've been sitting here pulling my hair out over something
>> so simple.
>>
>> I was just about to send this post to list when TOM ask what supply I was
>> using and if it was metered.    Reached down and turned the current
>> control up and got 107 watts out of the KPA100 like a champ.
>>
>> SO,      give me that cone shaped hat so I can put it back on and sit in
>> the corner for awhile.........
>>
>> LOL
>>
>> Many thanks to the all who have offered assistance and to Don for his
>> patience.    This problem has been solved.
>>
>> BACK TO THE KISS RULE
>>    
>
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Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

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Please help support this email list: http://www.qsl.net/donate.html