Rich- Thanks a lot- I have a LOT to digest, and to consider before I fire
this baby up. Up to now, the excuse was the line (220) I need to run, but
now, I have some other things to check out.
Thanks- Bill-W4BSG
At 09:14 PM 1/24/01 -0800, you wrote:
>
>>Rich- Thanks for the information- I am slowly learning a lot on this
>>subject., forgive more questions. What type of resistors were they,
>
>carbon composition
>
>>and
>>what physical phenomenon causes the increase in R?
>
>my guess was a sudden overload. The event was so brief that there was no
>damage to the outside of the resistor -- even though the resistor element
> was almost burned out.
>
>>Was there any tube
>>damage, also?
>>
>not sure
>
>>The statements:
>>> The amp. was not being driven at the time.
>>>
>>> max out / max drive.
>>are a little inconsistent. Can you clarify which amps were operated which
>>way?
>>
>>Bill-W4BSG
>>
>>At 11:32 PM 1/23/01 -0800, you wrote:
>>>>
>>SNIP
>>>>Were these amps that were measured while exhibiting intermittent vhf
>>>>oscillation damaged in any way by the oscillation?
>>>
>>>the vhf suppressor-R was typically damaged. The resistance suddenly
>>>increased 2x - 4x.
>>>
>>>
>>>- Rich..., 805.386.3734, www.vcnet.com/measures.
>>>end
>>>
>>>
>>-
>>Bill Aycock --- Persimmon Hill
>> Woodville, Alabama, US 35776
>> (in the N.E. corner of the State)
>> W4BSG -- Grid EM64vr
>> baycock@HiWAAY.net
>> w4bsg@arrl.net
>>
>
>
>- Rich..., 805.386.3734, www.vcnet.com/measures.
>end
>
>
>--
>FAQ on WWW: http://www.contesting.com/FAQ/amps
>Submissions: amps@contesting.com
>Administrative requests: amps-REQUEST@contesting.com
>Problems: owner-amps@contesting.com
>
>
-
Bill Aycock --- Persimmon Hill
Woodville, Alabama, US 35776
(in the N.E. corner of the State)
W4BSG -- Grid EM64vr
baycock@HiWAAY.net
w4bsg@arrl.net
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
|