kpa100 - r33/rfc3

[jferg977]

suspecting that R33 is shorted, is a resistance  measurement across the
R33/RFC3 pair meaningful, or do I need to disconnect one  end of R33 in order to
get an accurate reading of its resistance?

John  Ferguson AI4TO  




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[Don Wilhelm-4]

John,

The resistance of the choke is quite small in comparison with the 1k
resistor that you should be able to measure the choke with the resistor
in parallel.  BUT if you want to check the resistance of the resistor,
it would be necessary to disconnect one end because the choke would
predominate the measurement.  You may want to review the ARRL Handbook
or other resource for information about paralleled resistors.

73,
Don W3FPR

[hidden email] wrote:
> suspecting that R33 is shorted, is a resistance  measurement across the
> R33/RFC3 pair meaningful, or do I need to disconnect one  end of R33 in order to
> get an accurate reading of its resistance?
>
> John  Ferguson AI4TO  
>
>  
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