>
>Lane,
>
>Are any of amp components (aside from the tube) running
>unusually hot? If not, conservation of energy says that
>the missing output power is being dissipated in the tube?
>
hows about going for an exorcism, Mike?
>
>----------
>From: Lane Zeitler[SMTP:Ku7i@worldnet.att.net]
>Sent: Thursday, January 06, 2000 4:46 AM
>To: measures; Mike Willis; AMPS
>Subject: Re: [AMPS] abnormallly high plate current
>
>
>This all started when I went to calibrate the plate current meter. That is
>when I discovered that the plate current was actually much higher that I
>thought. The dummy load is not an issue since it has the same indications
>using the antenna also with a 1.1:1 vswr.
>
>Lane
>Ku7i
>----- Original Message -----
>From: measures <measures@vcnet.com>
>To: Mike Willis <Mike@g0mjw.freeserve.co.uk>; AMPS <amps@contesting.com>
>Sent: Thursday, January 06, 2000 5:27 AM
>Subject: Re: [AMPS] abnormallly high plate current
>
>
>>
>> >
>> >What is the bias voltage ? Have you tuned it up properly and are both
>meter
>> >shunts still the correct resistance ?
>> >
>> Checking the meter accuracy is a good idea. So is measuring the R of the
>> dummy load. Wattmeters can not give accurate readings unless the load is
>> 50 ohms, as checked with a DMM. // Heath cantennas are especially
>> vulnerable to damage because they use a resistor that is rated at 50w
>> continuous.
>>
>>
>> - Rich..., 805.386.3734, www.vcnet.com/measures.
>>
>>
>> --
>> FAQ on WWW: http://www.contesting.com/ampsfaq.html
>> Submissions: amps@contesting.com
>> Administrative requests: amps-REQUEST@contesting.com
>> Problems: owner-amps@contesting.com
>> Search: http://www.contesting.com/km9p/search.htm
>>
>>
>
>
>--
>FAQ on WWW: http://www.contesting.com/ampsfaq.html
>Submissions: amps@contesting.com
>Administrative requests: amps-REQUEST@contesting.com
>Problems: owner-amps@contesting.com
>Search: http://www.contesting.com/km9p/search.htm
>
>
>--
>FAQ on WWW: http://www.contesting.com/ampsfaq.html
>Submissions: amps@contesting.com
>Administrative requests: amps-REQUEST@contesting.com
>Problems: owner-amps@contesting.com
>Search: http://www.contesting.com/km9p/search.htm
>
>
- Rich..., 805.386.3734, www.vcnet.com/measures.
--
FAQ on WWW: http://www.contesting.com/ampsfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|