To: <amps@contesting.com>
>> Date: Mon, 25 May 1998 22:40:31 -0500
>> From: Jon Ogden <jono@webspun.com>
>
>Hi Jon,
>
>> >You changed tubes, and the thing popped. IMO, you probably have a
>> >gassy tube.
>>
>> Why would a gassy tube cause a resistor combination that should be able
>> to carry several amperes of current to pop like a firecracker?
>
>Because the result of even the slightest amount of gas is the tube
>flashes over and conducts very heavily.
>
>The tube no longer has to depend on cathode emission, which is
>limited by the space charge around the cathode.
>
>It's even tough to test for gas, because the gas can be gettered not
>only by the intentional gettering agents put in the tube,
Is gas gettered when a tube is connected to high-pot. tester?
>but also by the arc itself.
I thought that arcs vapourize material in the arc craters.
>.........
During the grate parasitics debate, Disappearing Gas was one of the
mysteries in the "real world" of rauchian-science.
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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