Title:
CHARGE PUMP
Document Type and Number:
WIPO Patent Application WO2003017492
Kind Code:
A3
Abstract:
The present invention relates to a charge pump, in particular for use in a tuning system including a phase-lockedoop, for generating currents, comprisingcurrent amplifier means, wherein that said current amplifier means comprises a translinear circuit (Q13, Q11, Q9, Q1; Q14, Q12, Q10, Q2).
Inventors:
SANDULEANU MIHAI A T
Application Number:
PCT/IB2002/002919
Publication Date:
September 25, 2003
Filing Date:
July 09, 2002
Export Citation:
Assignee:
KONINKL PHILIPS ELECTRONICS NV (NL)
International Classes:
H03L7/07; H03L7/085; H03F3/45; H03L7/087; H03L7/089; H03L7/093; H04L7/033; (IPC1-7): H03L7/089; H04L7/033
Domestic Patent References:
| WO2002033819A2 | 2002-04-25 |
Foreign References:
| US5483194A | 1996-01-09 | |||
| EP0856946A2 | 1998-08-05 |
Other References:
B. GILBERT: "Translinear Circuits: A Proposed Classification", ELECTRONICS LETTERS, vol. 11, no. 1, 9 January 1975 (1975-01-09), pages 14 - 16, XP001149950
DEVITO L ET AL: "A 52MHz And 155MHz Clock-recovery PLL", SOLID-STATE CIRCUITS CONFERENCE, 1991. DIGEST OF TECHNICAL PAPERS. 38TH ISSCC., 1991 IEEE INTERNATIONAL SAN FRANCISCO, CA, USA 13-15 FEB. 1991, NEW YORK, NY, USA,IEEE, US, 13 February 1991 (1991-02-13), pages 142,143,306, XP010039736, ISBN: 0-87942-644-6
DEVITO L ET AL: "A 52MHz And 155MHz Clock-recovery PLL", SOLID-STATE CIRCUITS CONFERENCE, 1991. DIGEST OF TECHNICAL PAPERS. 38TH ISSCC., 1991 IEEE INTERNATIONAL SAN FRANCISCO, CA, USA 13-15 FEB. 1991, NEW YORK, NY, USA,IEEE, US, 13 February 1991 (1991-02-13), pages 142,143,306, XP010039736, ISBN: 0-87942-644-6
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