Telephone CO Question
Jim Thompson wrote:
I have sort of a weird line... almost textbook... 50VDC open circuit,
50mA DC when shorted, so a 1K source impedance (or an active circuit).
Try values of R between 0 and infinity. I did once and calculated my line
source resistance, but I forgot what it was.
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Reply in group, but if emailing add one more
zero, and remove the last word.
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