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[AMPS] Practical PI Nets

To: <amps@contesting.com>
Subject: [AMPS] Practical PI Nets
From: mike@g0mjw.freeserve.co.uk (G0MJW)
Date: Tue, 2 May 2000 16:11:28 +0100
Good enough ? It is excellent. It can even measure a difference of 1pF
reliably. I think the 0.01pF resolution is a bit optimistic and the
calibration is not perfect on my version, but it is good enough.

> One not too expensive device is the Almost All Digital Electronics L-C
> meter. It's cheap, pretty accurate, and comes as a kit that took me under
an
> hour to build. It is worth changing the 5 volt regulator to a low drop out
> type, though, as you get a lot more effective battery life.
>
> Of course, it doesn't measure at the operating frequency, but for most
> inductors at HF, it's good enough.
>
> 73
>
> Peter G3RZP
>
>
>
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