[R-390] 0.5-8.0 Low Sensitivity (Long)
Roy Morgan
roy.morgan at nist.gov
Wed Aug 16 09:02:34 EDT 2006
At 06:28 AM 8/16/2006, dmartin wrote:
>Have a 390A here with the low sensitivity problem below 8 megs....Threads
>for slugs on Z213-2 and -3 cans may be all the way out during one
>alignment effort and
>then have to be screwed all the way in flush with the rack during a
>subsequent
>alignment hours later.
THIS is your clue that a capacitor (or possibly the inductor) in that
circuit is changing values.
Get that can out of there and replace all silver mica caps inside.
Roy
- Roy Morgan, K1LKY since 1959 - Keep 'em Glowing!
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