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Re: [Amps] *** SPAM *** Re: Need some 220K 2 watt carbon resistors

To: R@me.freeserve.com, Measures <r@somis.org>,g3rzp@g3rzp.wanadoo.co.uk
Subject: Re: [Amps] *** SPAM *** Re: Need some 220K 2 watt carbon resistors
From: Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk>
Reply-to: g3rzp@g3rzp.wanadoo.co.uk
Date: Wed, 29 Mar 2006 14:08:26 +0200 (CEST)
List-post: <mailto:amps@contesting.com>
Rich said:
>However, at least at HF through UHF, the effect of a resistor's 
inductive reactance is typically more consequential than the effect of 
its capacitive reactance.<

Depends on the value. For values above a few hundred ohms, capacitive effects 
are more prevalent. Even the old ARRL handbooks tell you that. In either case, 
at any particular frequency, you can tune it out - if it matters, which 
frequently, it doesn't. When this thread started, it was about 220K ohm 
resistors for shunting electrolytics, where of course, reactance doesn't 
matter. For small signal stuff these days, chip resistors tend to be 
predominately capacitive.
73
Peter G3RZP
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