R L Measures wrote:
>
> On Sep 1, 2006, at 7:06 AM, Steve Thompson wrote:
>
>>
>>
>> R L Measures wrote:
>>
>>>> I hope not, I looked from 1MHz up to around 300MHz, in both full and
>>>> part band sweeps. Around the tuned frequency was the only place I
>>>> found repeatable signals. It's a laborious process as a spectrum
>>>> analyser (at least the ones I have) is unsuited to catching a short
>>>> duration signal.
>>>
>>>
>>>
>>> Switching the amp between Tx and Rx at a 5Hz rate
>
>
>> If/when I ever look again, I'll try that.
>>
>> and disconnecting the
>>
>>> RF input coax might help.
>>
>> I didn't have anything connected to the input for any of the tests.
>
>
> And you were able to see the HF fundamental signal at the anodes.
I saw brief glimpses of a signal somewhere close to the tuned frequency
(7MHz), which I assume was ringing in the whole tank circuit.
Steve
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