Article View: sci.electronics
Article #18564Re: Extremely small transmitter - help!
From: Max Hauser
Date: Fri, 05 Feb 1988 05:07
Date: Fri, 05 Feb 1988 05:07
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In article <2388@kitty.UUCP> larry@kitty.UUCP (Larry Lippman) writes: > ... >an FM transmitter operating in the 88-108 MHz region which is built around >a tunnel diode (like a GE 1N3712 or equivalent). The power supply need be >only a single 1.3 volt mercury hearing aid battery. I agree; I've built these, they're not difficult. The battery is the largest part. Use eighth-watt or smaller resistors if you use a voltage divider to bias the diode into its neg-R region. The neatest thing about the project, of course, if it's a snake of moderate size, will be tracking the transmitter visually from the outside ...
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arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!rutgers!ukma!gatech!bloom-beacon!husc6!bbn!uwmcsd1!ig!agate!pasteur!trinity!maxReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!rutgers!ukma!gatech!bloom-beacon!husc6!bbn!uwmcsd1!ig!agate!pasteur!trinity!max From: max@trinity.uucp (Max Hauser) Newsgroups: sci.electronics Subject: Re: Extremely small transmitter - help! Summary: Hearing-aid batteries Message-ID: <552@pasteur.Berkeley.Edu> Date: 5 Feb 88 05:07:45 GMT References: <1434@obelix.liu.se> <2388@kitty.UUCP> Sender: news@pasteur.Berkeley.Edu Reply-To: max@trinity.UUCP (Max Hauser) Organization: UC Berkeley Lines: 13