Article View: sci.electronics
Article #3849Re: Crystal radios - wasn't it a 'galena' crystal?
From: Vaso Bovan
Date: Sun, 26 Nov 1989 00:23
Date: Sun, 26 Nov 1989 00:23
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In article <1989Nov25.080724.19517@utzoo.uucp> henry@utzoo.uucp (Henry Spencer) writes: >In article <24441@cup.portal.com> ISW@cup.portal.com (Isaac S Wingfield) writes: >>...you *really* have to look for germanium. I know for a fact that many >>1N34's (classic germanium diode) are now made from silicon; last time >>I required germanium was about 15 years ago, and out of all the 1N34 >>manufacturers, only ITT's were Ge. Nowadays, I dunno. > What is the nature of your evidence that many 1N34s are now made of silicon ? >Um, possibly this is a reflection of my ignorance, but I always figured >that if it walks like a duck and quacks like a duck, you might as well >treat it as a duck -- isn't there an agreed-on standard for the forward >drop of a 1N34? (I don't have a spec sheet handy.) If so, do I really >care whether it's germanium, silicon, or praseodymium in there? >-- 1N34 is a JEDEC-registered device. JEDEC would be interested to know if a manufacturer is substituting silicon for germanium.
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!samsung!usc!apple!mips!vaso From: vaso@mips.COM (Vaso Bovan) Newsgroups: sci.electronics Subject: Re: Crystal radios - wasn't it a 'galena' crystal? Message-ID: <32141@buckaroo.mips.COM> Date: 26 Nov 89 00:23:39 GMT References: <5386@internal.Apple.COM> <24441@cup.portal.com> <1989Nov25.080724.19517@utzoo.uucp> Reply-To: vaso@mips.COM (Vaso Bovan) Organization: MIPS Computer Systems, Sunnyvale, CA Lines: 18