EP 1894299 A1 20080305 - INTEGRATED RELAXATION VOLTAGE CONTROLLED OSCILLATOR AND METHOD OF VOLTAGE CONTROLLED OSCILLATION
Title (en)
INTEGRATED RELAXATION VOLTAGE CONTROLLED OSCILLATOR AND METHOD OF VOLTAGE CONTROLLED OSCILLATION
Title (de)
INTEGRIERTER RELAXATIONSSPANNUNGSGESTEUERTER OSZILLATOR UND VERFAHREN ZUR SPANNUNGSGESTEUERTEN OSZILLATION
Title (fr)
OSCILLATEUR INTEGRE A RELAXATION COMMANDE EN TENSION ET PROCEDE D'OSCILLATION COMMANDEE EN TENSION
Publication
Application
Priority
US 2005021089 W 20050615
Abstract (en)
[origin: WO2007001255A1] Method and apparatus are provided for integrated relaxation voltage controlled oscillation. An oscillation circuit for transmitting a clock signal is provided comprising a current source (12) having a first input configured to receive a first reference potential and having a second input configured to receive a signal having a pre-determined period, and a voltage controlled oscillator (VCO) (14) coupled to the current source. The current source comprises a first capacitance (CY) and is configured to generate a reference current directly proportional to the first capacitance. The VCO has an input configured to receive the reference current. The VCO comprises a second capacitance (CX) and is configured to generate the clock signal having a period directly proportional to a ratio of the second capacitance to the first capacitance.
IPC 8 full level
H03K 3/354 (2006.01); H03K 3/011 (2006.01); H03K 3/03 (2006.01)
CPC (source: EP)
H03K 3/011 (2013.01); H03K 3/0315 (2013.01)
Citation (search report)
See references of WO 2007001255A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
WO 2007001255 A1 20070104; EP 1894299 A1 20080305; JP 2008544641 A 20081204; JP 4902648 B2 20120321
DOCDB simple family (application)
US 2005021089 W 20050615; EP 05760643 A 20050615; JP 2008516801 A 20050615