Assignee
SIRIFIC WIRELESS CORP
CA·18 granted patents·5 pending applications·294 citations·filing 2000–2007
Top patents by PatentIndex Score
23 records- 0192US6639447B2High linearity Gilbert I Q dual mixerSIRIFIC WIRELESS CORP·Filed 2002·Granted Oct 28, 2003·77 cites·7 claims
- 0290US7345550B2Type II phase locked loop using dual path and dual varactors to reduce loop filter componentsSIRIFIC WIRELESS CORP·Filed 2005·Granted Mar 18, 2008·23 cites·19 claims
- 0390US6590438B1Integrated circuit adjustable RF mixerSIRIFIC WIRELESS CORP·Filed 2002·Granted Jul 8, 2003·40 cites·9 claims
- 0487US7265629B2Circuit and method for automatic gain controlSIRIFIC WIRELESS CORP·Filed 2005·Granted Sep 4, 2007·13 cites·19 claims
- 0586US7263344B2Method for reducing IM2 noise in a down conversion circuitSIRIFIC WIRELESS CORP·Filed 2003·Granted Aug 28, 2007·30 cites·9 claims
- 0684US7242334B2Wireless receiver circuit with merged ADC and filterSIRIFIC WIRELESS CORP·Filed 2005·Granted Jul 10, 2007·11 cites·12 claims
- 0782US6973297B1Method and apparatus for down-conversion of radio frequency (RF) signals with reduced local oscillator leakageSIRIFIC WIRELESS CORP·Filed 2000·Granted Dec 6, 2005·18 cites·24 claims
- 0875US7164897B2Method and apparatus for conversion of radio frequency (RF) signals using aperiodic mixing signalsSIRIFIC WIRELESS CORP·Filed 2002·Granted Jan 16, 2007·16 cites·22 claims
- 0970US7016662B1Method and apparatus for up-conversion of radio frequency (RF) signalsSIRIFIC WIRELESS CORP·Filed 2000·Granted Mar 21, 2006·9 cites·31 claims
- 1066US7046980B1Method and apparatus for up-and down-conversion of radio frequency (RF) signalsSIRIFIC WIRELESS CORP·Filed 2000·Granted May 16, 2006·7 cites·29 claims
- 1161US7245187B2Multi-standard amplifierSIRIFIC WIRELESS CORP·Filed 2003·Granted Jul 17, 2007·10 cites·17 claims
- 1261US6727764B2Generation of virtual local oscillator inputs for use in direct conversion radio systemsSIRIFIC WIRELESS CORP·Filed 2002·Granted Apr 27, 2004·12 cites·1 claims
- 1359US7215931B2Method and apparatus for up-and-down-conversion of radio frequency (RF) signalsSIRIFIC WIRELESS CORP·Filed 2002·Granted May 8, 2007·5 cites·42 claims
- 1458US7277683B2Regenerative divider for up and down conversion of radio frequency (RF) signalsSIRIFIC WIRELESS CORP·Filed 2004·Granted Oct 2, 2007·8 cites·10 claims
- 1553US6867665B2Filters implemented in integrated circuitsSIRIFIC WIRELESS CORP·Filed 2001·Granted Mar 15, 2005·8 cites·7 claims
- 1650US7343135B2Method and apparatus for down conversion of radio frequency (RF) signalsSIRIFIC WIRELESS CORP·Filed 2003·Granted Mar 11, 2008·1 cites·29 claims
- 1746US6750681B2High speed current mode logic gate circuit architectureSIRIFIC WIRELESS CORP·Filed 2002·Granted Jun 15, 2004·4 cites·13 claims
- 1845US7167063B2Method and apparatus for reduced noise band switching circuitsSIRIFIC WIRELESS CORP·Filed 2004·Granted Jan 23, 2007·2 cites·17 claims
- 1940US2007132520A1Method for voltage controlled oscillator yield enhancementSIRIFIC WIRELESS CORP·Filed 2005·Application pending·0 cites
- 2038US2006141952A1Multi-mode modulator and transmitterSIRIFIC WIRELESS CORP·Filed 2004·Application pending·0 cites
- 2137US2008129434A1Variable inductorSIRIFIC WIRELESS CORP·Filed 2006·Application pending·0 cites
- 2234US2007135076A1Wideband mixer with multi-standard inputSIRIFIC WIRELESS CORP·Filed 2005·Application pending·0 cites
- 2333US2009036068A1Wireless system having high spectral puritySIRIFIC WIRELESS CORP·Filed 2007·Application pending·0 cites
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