Inventor · disambiguated record
John Jackson Nisbet
Also filed as: NISBET JOHN · NISBET JOHN J · NISBET JOHN JACKSON
23 granted patents·6 pending applications·708 citations·filing 1993–2025
96Inventor score
Files withSKYWORKS SOLUTIONS INC12SIGE SEMICONDUCTOR INC5NORTEL NETWORKS LTD3NORTHERN TELECOM LTD3NORTEL NETWORKS CORP2
Top patents by PatentIndex Score
29 records- 0197US8729949B2Switching circuitSIGE SEMICONDUCTOR INC·Filed 2013·Granted May 20, 2014·34 cites·20 claims
- 0294US8451044B2Switching circuitNISBET JOHN·Filed 2009·Granted May 28, 2013·46 cites·16 claims
- 0393US11451248B2Front-end systems with a shared back switchSKYWORKS SOLUTIONS INC·Filed 2020·Granted Sep 20, 2022·3 cites·20 claims
- 0493US6256511B1Dual-mode radio architectureNORTEL NETWORK LTD·Filed 1997·Granted Jul 3, 2001·194 cites·11 claims
- 0592US11811438B2Systems and methods for magnitude and phase trimmingSKYWORKS SOLUTIONS INC·Filed 2021·Granted Nov 7, 2023·2 cites·26 claims
- 0691US6711396B1Method to reduce local oscillator or carrier leakage in frequency converting mixersNORTEL NETWORKS LTD·Filed 2000·Granted Mar 23, 2004·55 cites·28 claims
- 0791US5918167AQuadrature downconverter local oscillator leakage cancellerNORTHERN TELECOM LTD·Filed 1997·Granted Jun 29, 1999·115 cites·11 claims
- 0888US11496167B2RF signal switchSKYWORKS SOLUTIONS INC·Filed 2020·Granted Nov 8, 2022·2 cites·20 claims
- 0988US5532637ALinear low-noise mixerNORTHERN TELECOM LTD·Filed 1995·Granted Jul 2, 1996·72 cites·17 claims
- 1087US11201595B2Cascode power amplifier with switchable output matching networkSKYWORKS SOLUTIONS INC·Filed 2016·Granted Dec 14, 2021·7 cites·13 claims
- 1187US7689180B2Method and apparatus for a cartesian error feedback circuit to correct distortion within a power amplifierSIGE SEMICONDUCTOR INC·Filed 2007·Granted Mar 30, 2010·17 cites·45 claims
- 1286US10742241B2Front-end systems with directional couplers and a shared back switchSKYWORKS SOLUTIONS INC·Filed 2019·Granted Aug 11, 2020·4 cites·20 claims
- 1384US6417712B1Phase shifter using sine and cosine weighting functionsNORTEL NETWORKS LTD·Filed 2000·Granted Jul 9, 2002·37 cites·14 claims
- 1483US5365138ADouble mode surface wave resonatorsNORTHERN TELECOM LTD·Filed 1993·Granted Nov 15, 1994·39 cites·23 claims
- 1578US2025392277A1Bidirectional variable gain amplifiers for radio frequency communication systemsSKYWORKS SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 1677US10396830B2Front-end systems with multiple loopbacks and a shared back switchSKYWORKS SOLUTIONS INC·Filed 2017·Granted Aug 27, 2019·2 cites·20 claims
- 1775US5977828AMultiple-tail transconductance switchable gain ampliferNORTEL NETWORKS CORP·Filed 1997·Granted Nov 2, 1999·37 cites·14 claims
- 1873US12348252B2Radio frequency trimmer circuitSKYWORKS SOLUTIONS INC·Filed 2023·Granted Jul 1, 2025·0 cites·17 claims
- 1967US12476600B2Current conditioning apparatus with NFET current mirrorSKYWORKS SOLUTIONS INC·Filed 2022·Granted Nov 18, 2025·0 cites·20 claims
- 2061US6665353B1Quadrant switching method for phase shifterSIRENZA MICRODEVICES INC·Filed 2001·Granted Dec 16, 2003·8 cites·23 claims
- 2160US12381528B2Bidirectional variable gain amplifiers for radio frequency communication systemsSKYWORKS SOLUTIONS INC·Filed 2022·Granted Aug 5, 2025·0 cites·18 claims
- 2259US6278872B1Frequency converter with improved linearityNORTEL NETWORKS LTD·Filed 1998·Granted Aug 21, 2001·21 cites·9 claims
- 2353US2020083849A1Circuits, devices, and methods for reducing co-channel interferenceSKYWORKS SOLUTIONS INC·Filed 2019·Application pending·0 cites
- 2451US10236837B2Circuits, devices and methods for reducing co-channel interferenceSKYWORKS SOLUTIONS INC·Filed 2017·Granted Mar 19, 2019·0 cites·20 claims
- 2550US6052026ALinear gain controlled amplifierNORTEL NETWORKS CORP·Filed 1997·Granted Apr 18, 2000·13 cites·15 claims
- 2643US2008219377A1Transmitter crosstalk cancellation in multi-standard wireless transceiversSIGE SEMICONDUCTOR INC·Filed 2007·Application pending·0 cites
- 2743US2008219389A1Feed-forward cancellation in wireless receiversSIGE SEMICONDUCTOR INC·Filed 2007·Application pending·0 cites
- 2838US2002090037A1System and method for variable bandwidth transmissionFiled 2001·Application pending·0 cites
- 2935US2008290939A1Method and apparatus for distortion correction of RF amplifiersSIGE SEMICONDUCTOR INC·Filed 2007·Application pending·0 cites
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