Title:
CDCCD回路、及びその較正方法、動作方法、再較正方法
Document Type and Number:
Japanese Patent JP2008515369
Kind Code:
A
Abstract:
A method is described for calibrating a CDCCD circuit (100) comprising: first and second voltage input terminals (101, 102); first and second switching bridges, each comprising two controllable switches connected in series between said first and second input terminals; a series arrangement of a first inductor (131), load output terminals (191, 192), and a second inductor (132) coupled between bridge output nodes (113, 123); a current sensor (150) associated with said first inductor (131); a reference signal generator (160); a switch controller (170) receiving a measuring signal (S 1) from the current sensor and a reference signal (SR) from the reference signal generator; the method comprising the steps of: generating an AC current having a zero DC level; measuring a voltage at an output terminal; adjusting the current reference signal in such a way that the measured voltage is symmetrical with respect to the input voltage levels.
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Inventors:
De Blauwell, Lambertus Haas
Zailstra, Patrick Yeah
Zailstra, Patrick Yeah
Application Number:
JP2007533024A
Publication Date:
May 08, 2008
Filing Date:
September 19, 2005
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
H02M3/155; H05B41/24
Attorney, Agent or Firm:
Tadahiko Ito
Shinsuke Onuki
Tadashige Ito
Shinsuke Onuki
Tadashige Ito