[Amps] measuring current TSPA

[John T. M. Lyles]

You can measure the line current (from the tube into the tank or out 
of the tank into the load) using a current transformer, such as made 
by Pearson. You would find them used on EBAY maybe or in some 
scientific lab junk. This may work up to 10 MHz or so, depending on 
the frequency. If you have a good high frequency voltage divider, you 
can determine the voltage at a node, and from that calculate what 
current must be causing it. If you mean the circulating (reactive) 
current, this can be calculated from the Q, just do the circuit 
analysis on paper and draw the loops of current and corresponding 
voltage drops, you should be able to come up with that current.




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>Today's Topics:
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>    1. Measure tank current? (StephenTetorka at cs.com)
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>----------------------------------------------------------------------
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>Message: 1
>Date: Fri, 27 Jan 2006 11:17:06 EST
>From: StephenTetorka at cs.com
>Subject: [Amps] Measure tank current?
>To: amps at contesting.com
>Message-ID: <7b.5420476b.310ba182 at cs.com>
>Content-Type: text/plain; charset="US-ASCII"
>
>Hi all:
>
>How I go about measuring the current in my RF output tank?
>
>Regards,
>Steve
>WA2TAK
>
>
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>End of Amps Digest, Vol 37, Issue 79
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