From: Jim Thompson
Subject: Re: Telephone Ring Suppressor
X-Newsreader: Forte Agent 1.91/32.564
Date: Sat, 21 Sep 2002 17:33:56 GMT
NNTP-Posting-Date: Sat, 21 Sep 2002 13:33:56 EDT
Organization: Cox Communications
On Sat, 21 Sep 2002 17:08:36 GMT,
John Fields ,
In Newsgroup: sci.electronics.design,
Entitled: "Re: Telephone Ring Suppressor",
Wrote the following:
|Jim Thompson wrote:
|> I'm not quite sure myself why it
|> works but I've tried it on every phone in the house... irrespective of
|> type it suppresses ringing.
|Prob'ly something about it rectifies the ringing signal and keeps it
|from getting through the phone's series cap to the ringer while the
|phone is on hook, while allowing the varying DC audio signal to pass
|through when the phone is off-hook. Why not take a picture of the
|solder side of the PCB and post that if you get a chance?
|Professional circuit designer
Posted to a.b.s.e...
Right side is toward the telephone, left side is line.
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| Jim-T@analog_innovations.com Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |
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