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Article #3840Re: Crystal radios - wasn't it a 'galena' crystal?
From: Mark Robert Thorson
Date: Fri, 24 Nov 1989 04:35
Date: Fri, 24 Nov 1989 04:35
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ems@Apple.COM (Mike Smith) says: > Is PbS a semiconductor (if properly doped)? If so, what are it's > properties? I seem to remember some 'old timers' saying that a > good crystal was far better than those new fangled diode things... Yeah, I bet the diode drop might be small er than for a silicon diode. Anybody know how much it is?
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!samsung!usc!apple!fox!portal!cup.portal.com!mmm From: mmm@cup.portal.com (Mark Robert Thorson) Newsgroups: sci.electronics Subject: Re: Crystal radios - wasn't it a 'galena' crystal? Message-ID: <24435@cup.portal.com> Date: 24 Nov 89 04:35:41 GMT References: <5386@internal.Apple.COM> Organization: The Portal System (TM) Lines: 8