Inventor · disambiguated record
John F. Bulzacchelli
Also filed as: BULZACCHELLI JOHN · BULZACCHELLI JOHN F · BULZACCHELLI JOHN FRANCIS
72 granted patents·8 pending applications·519 citations·filing 2006–2023
99Inventor score
Top patents by PatentIndex Score
80 records- 0198US11777496B1Low voltage signal path in a radio frequency signal generatorIBM·Filed 2022·Granted Oct 3, 2023·12 cites·25 claims
- 0298US11683026B1Calibrating signal currents in a radio frequency signal generatorIBM·Filed 2022·Granted Jun 20, 2023·12 cites·25 claims
- 0396US9614532B1Single-flux-quantum probabilistic digitizerIBM·Filed 2015·Granted Apr 4, 2017·18 cites·25 claims
- 0496US8841893B2Dual-loop voltage regulator architecture with high DC accuracy and fast response timeBULZACCHELLI JOHN F·Filed 2011·Granted Sep 23, 2014·24 cites·25 claims
- 0596US8624632B2Sense amplifier-type latch circuits with static bias current for enhanced operating frequencyBULZACCHELLI JOHN F·Filed 2012·Granted Jan 7, 2014·24 cites·10 claims
- 0695US11153129B1Feedforward equalizer with programmable roaming tapsIBM·Filed 2020·Granted Oct 19, 2021·8 cites·20 claims
- 0795US9531086B1Dynamic phased array tapering without phase recalibrationIBM·Filed 2016·Granted Dec 27, 2016·10 cites·20 claims
- 0895US8779865B2Ultra-compact PLL with wide tuning range and low noiseAINSPAN HERSCHEL A·Filed 2012·Granted Jul 15, 2014·12 cites·11 claims
- 0994US8964826B2Time domain analog multiplication techniques for adjusting tap weights of feed-forward equalizersIBM·Filed 2013·Granted Feb 24, 2015·11 cites·21 claims
- 1093US9288085B2Continuous-time linear equalizer for high-speed receiving unitIBM·Filed 2015·Granted Mar 15, 2016·10 cites·21 claims
- 1193US8704583B2Capacitive level-shifting circuits and methods for adding DC offsets to output of current-integrating amplifierBULZACCHELLI JOHN F·Filed 2012·Granted Apr 22, 2014·21 cites·21 claims
- 1293US8547732B2Hybrid superconducting-magnetic memory cell and arrayBULZACCHELLI JOHN F·Filed 2012·Granted Oct 1, 2013·14 cites·18 claims
- 1392US10097383B1High speed DFEs with direct feedbackIBM·Filed 2017·Granted Oct 9, 2018·13 cites·24 claims
- 1492US9369263B1Calibration of sampling phase and aperature errors in multi-phase sampling systemsIBM·Filed 2015·Granted Jun 14, 2016·13 cites·19 claims
- 1591US11736091B2Baseband filter for current-mode signal pathIBM·Filed 2021·Granted Aug 22, 2023·2 cites·25 claims
- 1691US11539347B1Current-mode frequency translation circuit with programmable gainIBM·Filed 2021·Granted Dec 27, 2022·2 cites·23 claims
- 1791US8564352B2High-resolution phase interpolatorsAGRAWAL ANKUR·Filed 2012·Granted Oct 22, 2013·9 cites·32 claims
- 1891US8477833B2Circuits and methods for DFE with reduced area and power consumptionBULZACCHELLI JOHN F·Filed 2009·Granted Jul 2, 2013·20 cites·11 claims
- 1991US8183948B2Ultra-compact PLL with wide tuning range and low noiseAINSPAN HERSCHEL A·Filed 2010·Granted May 22, 2012·10 cites·17 claims
- 2091US7822114B2Decision feedback equalizer using soft decisionsIBM·Filed 2007·Granted Oct 26, 2010·27 cites·25 claims
- 2190US8681839B2Calibration of multiple parallel data communications lines for high skew conditionsBULZACCHELLI JOHN F·Filed 2010·Granted Mar 25, 2014·16 cites·22 claims
- 2290US8208288B2Hybrid superconducting-magnetic memory cell and arrayBULZACCHELLI JOHN F·Filed 2008·Granted Jun 26, 2012·17 cites·15 claims
- 2390US7792187B2Multi-tap decision feedback equalizer (DFE) architecture eliminating critical timing path for higher-speed operationIBM·Filed 2007·Granted Sep 7, 2010·21 cites·20 claims
- 2489US8558597B2High-resolution phase interpolatorsAGRAWAL ANKUR·Filed 2012·Granted Oct 15, 2013·7 cites·15 claims
- 2589US7715474B2Decision feedback equalizer (DFE) architectureIBM·Filed 2007·Granted May 11, 2010·20 cites·20 claims
- 2688US7792185B2Methods and apparatus for calibrating output voltage levels associated with current-integrating summing amplifierIBM·Filed 2007·Granted Sep 7, 2010·18 cites·18 claims
- 2787US9444437B2Circuits and methods for DFE with reduced area and power consumptionIBM·Filed 2015·Granted Sep 13, 2016·5 cites·16 claims
- 2887US8558611B2Peaking amplifier with capacitively-coupled parallel input stagesBULZACCHELLI JOHN F·Filed 2012·Granted Oct 15, 2013·13 cites·23 claims
- 2987US7893861B2Time-to-digital based analog-to-digital converter architectureIBM·Filed 2009·Granted Feb 22, 2011·18 cites·25 claims
- 3086US8755428B2Feed-forward equalizer architecturesIBM·Filed 2013·Granted Jun 17, 2014·5 cites·22 claims
- 3185US9806699B2Circuits and methods for DFE with reduced area and power consumptionBULZACCHELLI JOHN F·Filed 2012·Granted Oct 31, 2017·5 cites·4 claims
- 3285US9793913B2Single-flux-quantum probabilistic digitizerIBM·Filed 2017·Granted Oct 17, 2017·5 cites·18 claims
- 3385US8964825B2Analog signal current integrators with tunable peaking functionBEUKEMA TROY J·Filed 2012·Granted Feb 24, 2015·7 cites·20 claims
- 3485US8126045B2System and method for latency reduction in speculative decision feedback equalizersBULZACCHELLI JOHN FRANCIS·Filed 2008·Granted Feb 28, 2012·17 cites·20 claims
- 3584US9467313B2Continuous-time linear equalizer for high-speed receiving unitIBM·Filed 2015·Granted Oct 11, 2016·4 cites·21 claims
- 3684US8138840B2Optimal dithering of a digitally controlled oscillator with clock dithering for gain and bandwidth controlAINSPAN HERSCHEL A·Filed 2009·Granted Mar 20, 2012·14 cites·23 claims
- 3783US10069409B2Distributed voltage regulation system for mitigating the effects of IR-dropIBM·Filed 2016·Granted Sep 4, 2018·4 cites·20 claims
- 3883US10033270B2Dynamic voltage regulationIBM·Filed 2016·Granted Jul 24, 2018·4 cites·18 claims
- 3983US8085841B2Sampled current-integrating decision feedback equalizer and methodBULZACCHELLI JOHN F·Filed 2008·Granted Dec 27, 2011·11 cites·20 claims
- 4078US8686764B2Edge selection techniques for correcting clock duty cycleIBM·Filed 2013·Granted Apr 1, 2014·3 cites·17 claims
- 4176US10924310B2Transmitter with fully re-assignable segments for reconfigurable FFE tapsIBM·Filed 2019·Granted Feb 16, 2021·2 cites·20 claims
- 4275US10686643B1Discrete time analog front end circuit implemented in a receiver deviceIBM·Filed 2019·Granted Jun 16, 2020·2 cites·12 claims
- 4375US8981829B1Passgate strength calibration techniques for voltage regulatorsIBM·Filed 2014·Granted Mar 17, 2015·3 cites·28 claims
- 4474US8633764B2Restoring output common-mode of amplifier via capacitive couplingAGRAWAL ANKUR·Filed 2011·Granted Jan 21, 2014·5 cites·23 claims
- 4573US10298190B2Dynamic phased array tapering without phase recalibrationIBM·Filed 2016·Granted May 21, 2019·1 cites·17 claims
- 4671US8294525B2Technique for linearizing the voltage-to-frequency response of a VCOBULZACCHELLI JOHN FRANCIS·Filed 2010·Granted Oct 23, 2012·4 cites·17 claims
- 4770US12438525B2Baseband filter for current-mode signal pathIBM·Filed 2023·Granted Oct 7, 2025·0 cites·20 claims
- 4869US9335370B2On-chip test for integrated AC coupling capacitorsGlobalfoundries·Filed 2014·Granted May 10, 2016·2 cites·23 claims
- 4969US8575905B2Dual loop voltage regulator with bias voltage capacitorBULZACCHELLI JOHN·Filed 2010·Granted Nov 5, 2013·4 cites·20 claims
- 5067US8913655B2Feed-forward equalizer architecturesIBM·Filed 2013·Granted Dec 16, 2014·1 cites·13 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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