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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Noticeable signal loss from several series phone adaptors?
Stefan:
If the adapters are in good condition and properly working there will be negligible loss. -- Best Regards, Daniel Sofie Electronics Supply & Repair - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "Stefan." wrote in message ... I am in the UK. Would I get appreciable signal loss (e.g. equivalent to 0.5 of a REN or more) if I use several adaptors on my landline phone? By "adaptor" I mean the sort of 2 (or 3) into one adaptor. See image at: http://img-europe.electrocomponents....C420301-13.jpg I might I have this sort of wiring config (depending on exactly how many adapters I decide to use): phone wall socket --plug---wire---plug-- adapter --plug---wire---plug-- adapter --plug---wire---plug-- adapter --plug---wire---plug-- telephone For most of the time the adaptors would not actually have any extra devices attached. |
#2
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Dan is right. The ringer impedance is at least in the 10s of ohms, and
the adapters should introduce a fraction of an ohm if the connections are normal/ok. H. R.(Bob) HOfmann sofie wrote: Stefan: If the adapters are in good condition and properly working there will be negligible loss. -- Best Regards, Daniel Sofie Electronics Supply & Repair - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - "Stefan." wrote in message ... I am in the UK. Would I get appreciable signal loss (e.g. equivalent to 0.5 of a REN or more) if I use several adaptors on my landline phone? By "adaptor" I mean the sort of 2 (or 3) into one adaptor. See image at: http://img-europe.electrocomponents....C420301-13.jpg I might I have this sort of wiring config (depending on exactly how many adapters I decide to use): phone wall socket --plug---wire---plug-- adapter --plug---wire---plug-- adapter --plug---wire---plug-- adapter --plug---wire---plug-- telephone For most of the time the adaptors would not actually have any extra devices attached. |
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