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Posted to sci.electronics.repair,sci.electronics.design
jasen jasen is offline
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Default Modem Phone line filter

On 2006-11-19, Eeyore wrote:


bz wrote:

Joerg wrote in news:6207h.6722
:

Its hard to peg characteristics. Would a modem be considered a 200 ohm
nominal load on the phone line?


IIRC, phone lines are a nominal 600 ohm impedence.


Isn't the bell circuit about 2k ?


near infinite DC resistance, 2k AC resistance sounds about right given
that you're allowed to parallel three of them.

--

Bye.
Jasen