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The new phase detector circuit has fast response and almost no output ripple, approaching to the speed and ripple of the sample-hold (S/H) type detectors, while being insensitive to signal frequency as is the case with a class of “multiply and integrate” circuits. The new detector is based on simple high-pass filtration and S/H processing of the discrete signal generated in the digital part of the circuit. The response of the new phase detector is more than a hundred times faster than the response of the “multiply and integrate” class of detectors exhibiting the same output ripple. With a slight modification, the circuit can be turned into a fast frequency-to-voltage converter (FVC) with a ripple-free output
Published in:
Instrumentation and Measurement, IEEE Transactions on
(Volume:49
,
Issue:
5
)
Date of Publication: Oct 2000
- Page(s):
- 1077 - 1082
- ISSN :
- 0018-9456
- INSPEC Accession Number:
- 6738594
- Digital Object Identifier :
- 10.1109/19.872933
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Oct 2000
- Sponsored by :
- IEEE Instrumentation and Measurement Society
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