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Article #7370Re: HP Spectrum Analyzer 8558B Part Question
From: John Moore
Date: Fri, 21 Sep 1990 16:38
Date: Fri, 21 Sep 1990 16:38
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In article <7899@milton.u.washington.edu> whit@milton.u.washington.edu (John Whitmore) writes:
] Don't even consider germanium, by the way; the turnon
]characteristics of a diffused diode are not nearly as controllable as
]those of a Schottky barrier, so matching is far worse. This causes
]some odd effects (like amplifying noise in the LO and shifting it
]to the IF frequency...).
Does a Schottky diode have a .34 Volt forward voltage drop (in a
diode tester)? I tested the surviving diode and that's what I found.
My Schottky diodes that I have in stock have a significantly higher
voltage drop.
--
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!asuvax!anasaz!qip!john From: john@qip.UUCP (John Moore) Newsgroups: sci.electronics Subject: Re: HP Spectrum Analyzer 8558B Part Question Message-ID: <4615@qip.UUCP> Date: 21 Sep 90 16:38:16 GMT References: <4574@qip.UUCP> <7899@milton.u.washington.edu> Reply-To: john@qip.UUCP (John Moore) Organization: Anasazi Inc, Phoenix AZ Lines: 15