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- Path: sparky!uunet!zaphod.mps.ohio-state.edu!swrinde!news.dell.com!gator!nlbbs!uupms!paula
- From: paula@nlbbs.UUCP (Paula Stockholm)
- Newsgroups: sci.electronics
- Subject: How to prevent feedback in a intercom ckt ???
- Message-ID: <726294187snx@nlbbs.UUCP>
- Date: Wed, 06 Jan 93 04:23:07 GMT
- Reply-To: paula@nlbbs.uucp
- Distribution: world
- Organization: The Electronics Workbench - Cumberland Maine
- Lines: 3
-
- Look in a telecommunications IC book for a hybrid circuit. These
- are basic telephone circuits which convert 2-wire (the phone or
- Intercom line) to 4-wire (the headset and the mic).
-