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1. WO2004019478 - TRANSFORMER COUPLED QUADRATURE TUNED OSCILLATOR

Publication Number WO/2004/019478
Publication Date 04.03.2004
International Application No. PCT/US2003/026227
International Filing Date 19.08.2003
Chapter 2 Demand Filed 10.03.2004
IPC
H03L 7/00 2006.01
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
7Automatic control of frequency or phase; Synchronisation
CPC
H03B 27/00
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
BGENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
27Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
H03L 7/00
HELECTRICITY
03BASIC ELECTRONIC CIRCUITRY
LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
7Automatic control of frequency or phase; Synchronisation
Applicants
  • INTEL CORPORATION [US]/[US]
Inventors
  • RAVI, Ashoke
  • SOUMYANATH, Krishnamurthy
Agents
  • MALLIE, Michael, J.
Priority Data
10/224,68420.08.2002US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) TRANSFORMER COUPLED QUADRATURE TUNED OSCILLATOR
(FR) OSCILLATEUR ACCORDE EN QUADRATURE, COUPLE A UN TRANSFORMATEUR
Abstract
(EN)
First and second oscillator cells include tank circuits that may be tuned to a desired resonant frequency using varactors as variable reactance devices in a phase-shifting network. First and second transformers are connected to the oscillator cells to control the varactors.
(FR)
La 1ère et la 2ème des cellules d'oscillateur incluent des circuits réserves d'énergie qui peuvent être accordés à une fréquence de résonance spécifique au moyen de varacteurs servant de réactances variables à un réseau à déphasage. Un 1er et un 2ème transformateur sont connectés aux cellules d'oscillateur de façon à commander les varacteurs.
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