Path: utzoo!attcan!uunet!husc6!mailrus!ames!lll-tis!helios.ee.lbl.gov!beva.bev.lbl.gov!wbrown From: wbrown@beva.bev.lbl.gov (Bill Brown) Newsgroups: sci.electronics Subject: Re: Data modulation on Powerlines Keywords: data on powerline Message-ID: <1259@helios.ee.lbl.gov> Date: 14 Nov 88 19:35:42 GMT References: <1440@marketing.UUCP> Sender: usenet@helios.ee.lbl.gov Reply-To: WLBrown@lbl.gov (Bill Brown) Organization: Lawrence Berkeley Laboratory, Berkeley Lines: 20 In article <1440@marketing.UUCP> amajidim@marketing.UUCP (Amir Majidimehr) writes: >I would like to experiment with sending digital data on ordinary AC lines. >I know there are commercial modems that do that but I would like to come up >with a cheap and low speed version (110 to 300 baud). Does anyone have >any information on books/articles on this topic? > >Thanks a lot! > >Amir H. Majidimehr >Gould Inc, Computer Systems Division >{sun,pur-ee,brl-bmd}!gould!amir National Semiconductor makes a couple of chips just for this sort of thing. They are the LM1893/LM2893 Carrier-Current Transceiver chips. The application notes that deal with them - sorry I don't have the numbers handy - cover the issues quite well. -bill WLBrown@lbl.gov