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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/53729
Record Status
Checked
Record Id
53729
Title
A twin frequency modulation technique for retarding field analysers
Contributors
P Bailey (SERC Daresbury Lab.)
,
R Hearsey (SERC Daresbury Lab.)
Abstract
We present here a report on a novel modulation technique for use with retarding field analysers. The more common technique employs a system which uses a high-Q filter to discriminate between unwanted frequency 'f' and a wanted frequency of 2f. For technical reasons it is desirable to lower the Q of this filter. The twin frequency technique can employ frequencies separated by several orders of magnitude thus reducing the required 'Q' of the filter. It also has the advantage that, to a first approximation, it should produce a twofold increase in signal level.
Organisation
SRS
,
SERC
Keywords
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Language
English (EN)
Type
Details
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Year
Report
DL Technical Reports
DL-SCI-TM78E. 1991.
DL-SCI-TM78E.pdf
1991
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