Inventor · disambiguated record
Nagarajan Viswanathan
Also filed as: VISWANATHAN NAGARAJAN
22 granted patents·4 pending applications·70 citations·filing 2003–2024
93Inventor score
Top patents by PatentIndex Score
26 records- 0197US9341543B2Method and OTDR apparatus for optical cable defect location with reduced memory requirementTEXAS INSTRUMENTS INC·Filed 2014·Granted May 17, 2016·30 cites·20 claims
- 0294US9651450B2Method and OTDR apparatus for optical cable defect location with reduced memory requirementTEXAS INSTRUMENTS INC·Filed 2016·Granted May 16, 2017·8 cites·14 claims
- 0380US9438335B2Optical fiber defect detectionTEXAS INSTRUMENTS INC·Filed 2014·Granted Sep 6, 2016·4 cites·20 claims
- 0476US9184762B2Mismatch profileTEXAS INSTRUMENTS INC·Filed 2015·Granted Nov 10, 2015·4 cites·20 claims
- 0575US10075250B2Bias removal in PRBS based channel estimationTEXAS INSTRUMENTS INC·Filed 2016·Granted Sep 11, 2018·2 cites·7 claims
- 0673US9479186B1Gain and offset correction in an interpolation ADCTEXAS INSTRUMENTS INC·Filed 2015·Granted Oct 25, 2016·3 cites·20 claims
- 0772US9001712B2Transmit signal cancelation apparatus and methodsTEXAS INSTRUMENTS INC·Filed 2013·Granted Apr 7, 2015·4 cites·20 claims
- 0868US12166500B2Auxiliary ADC-based calibration for non-linearity correction of ADCTEXAS INSTRUMENTS INC·Filed 2023·Granted Dec 10, 2024·0 cites·20 claims
- 0967US2025055473A1Auxiliary adc-based calibration for non-linearity correction of adcTEXAS INSTRUMENTS INC·Filed 2024·Application pending·0 cites
- 1063US10530378B1Sample based gain error estimation for analog to digital converterTEXAS INSTRUMENTS INC·Filed 2019·Granted Jan 7, 2020·1 cites·20 claims
- 1161US10281357B2Method and OTDR apparatus for optical cable defect location with reduced memory requirementTEXAS INSTRUMENTS INC·Filed 2017·Granted May 7, 2019·0 cites·14 claims
- 1260US10050636B2Methods and apparatus to reduce non-linearity in analog to digital convertersTEXAS INSTRUMENTS INC·Filed 2016·Granted Aug 14, 2018·1 cites·18 claims
- 1359US10930362B2Flexible and efficient device trim support using eFuseTEXAS INSTRUMENTS INC·Filed 2020·Granted Feb 23, 2021·0 cites·3 claims
- 1457US8976914B2Multi-tap IQ imbalance estimation and correction circuit and methodVISWANATHAN NAGARAJAN·Filed 2012·Granted Mar 10, 2015·2 cites·17 claims
- 1557US7064587B2Output BufferTEXAS INSTRUMENTS INC·Filed 2004·Granted Jun 20, 2006·4 cites·5 claims
- 1657US2025309841A1Pre-power amplifier circuitry using active terminationTEXAS INSTRUMENTS INC·Filed 2024·Application pending·0 cites
- 1756US10892835B2Bias removal in PRBS based channel estimationTEXAS INSTRUMENTS INC·Filed 2018·Granted Jan 12, 2021·0 cites·8 claims
- 1853US11784660B2Auxiliary ADC-based calibration for non-linearity correction of ADCTEXAS INSTRUMENTS INC·Filed 2022·Granted Oct 10, 2023·0 cites·20 claims
- 1953US11777513B2FDAC/2 spur estimation and correctionTEXAS INSTRUMENTS INC·Filed 2021·Granted Oct 3, 2023·0 cites·20 claims
- 2052US7129740B2Low noise output bufferTEXAS INSTRUMENTS INC·Filed 2003·Granted Oct 31, 2006·6 cites·49 claims
- 2150US12456988B2Dithering techniques for analog-to-digital convertersTEXAS INSTRUMENTS INC·Filed 2023·Granted Oct 28, 2025·0 cites·25 claims
- 2247US10741268B2Flexible and efficient device trim support using efuseTEXAS INSTRUMENTS INC·Filed 2018·Granted Aug 11, 2020·0 cites·17 claims
- 2346US7425911B2Signal-to-noise ratio when using fewer bits than the number of output bits of an analog to digital converterTEXAS INSTRUMENTS INC·Filed 2007·Granted Sep 16, 2008·1 cites·20 claims
- 2435US2007182456A1Reducing Pin Count When the Digital Output is to be Provided in Differential or Single-ended FormTEXAS INSTRUMENTS INC·Filed 2006·Application pending·0 cites
- 2535US2009091487A1Spurious Free Dynamic Range Of An Analog To Digital ConverterTEXAS INSTRUMENTS INC·Filed 2007·Application pending·0 cites
- 2628US9647867B2Wideband IQ mismatch correction for direct down-conversion receiverTEXAS INSTRUMENTS INC·Filed 2015·Granted May 9, 2017·0 cites·17 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →