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公开(公告)号：EP0829143A1
公开(公告)日：1998-03-18
申请号：EP97908424.0
申请日：1997-03-28
Applicant: Philips Electronics N.V.
Inventor： ROUSSELIN, Samuel
CPC classification number: H03B5/04 , H03B2201/025 , H03J2200/10 , H03L7/099 , H03L7/10 , H03L7/183
Abstract: The electronic device comprises an oscillation circuit (1, 2, 3, 10, 11, C1, C2, C3) included in a phase-locked loop which comprises a phase detector (17) and a variable divider (15) depending on a certain quantity. A check circuit is provided which either or not melts a fuse (25) as a function of the magnitude of the output of said phase detector (17) for each quantity of said divider indicating a bad or good locking respectively, of said loop. Application: Determination of wideband radio receiver/transmitter.
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