>
>
>
>On Tue, 16 Mar 1999 00:55:55 -0800 Rich Measures <measures@vc.net>
>writes:
>>
>>>On Mon, 15 Mar 1999 14:16:06 -0800 Rich Measures <measures@vc.net>
>>>writes:
>>>>>Did I miss something? How can you inductively couple a dipper to
>>>>> any inductor's series resonance without shorting the subject L
end-to-end? Any
>>>>>dips you get with the RFC just sitting there, ........
>>>>
>>>>? The hv rfc is not just sitting there, Dick. . Wired in, the
>>>>bottom end of the hv rfc connects to RF ground through the B+ bypass
>>>>capacitors. The upper end of the rfc connects to the tune-C, which
typically
>>>>has a moderately low reactance to ground. In practice, the not
>>>>strap-shorted method works.
>>>
>>>Not at all. The chap who suggested disconnecting the output tank was
>>> much more on track.
>>>Your method is a pure hit or miss approach.
>>>
>>Ä Can you explain why the no-strap method would miss a potentially
>>problematic resonance?
>
>Yes I can.
>
? ____________
>Will you explain how an unshorted choke will show series resonances?
>
On the bench it won't. Wired in place, a semi-low Z already exists
across the choke. Interested third parties are invited to try it and see
for themselves if the dipper misses a resonance or not.
- cheers -
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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