Inventor · Felton, CA, US

Stephen James Franck

36Patents
11h-index
35Co-inventors
75Inventor score

Filing activity: Nov 19, 1993 → Jan 31, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6594094B2 Read/write channel Physics 61 Expired
US6633447B2 Method and apparatus for compensation of second order distortion Electricity 60 Expired
US8344806B1 Power amplifier with power feedback Electricity 55 Active
US6587292B1 Magneto-resistive asymmetry compensation loop Physics 33 Expired
US8624678B2 Output stage of a power amplifier having a switched-bulk biasing and adaptive biasing Electricity 32 Active
US7092180B2 Asymmetry correction for magneto-resistive heads Physics 31 Expired
US6278321A Method and apparatus for an improved variable gain amplifier Electricity 20 Expired
US6429747B2 System and method for converting from single-ended to differential signals Electricity 20 Expired
US8749309B2 Gate-based output power level control power amplifier Electricity 18 Active
US5412344A Class AB amplifier with improved phase margin Electricity 15 Expired
US6661590B2 Efficient analog front end for a read/write channel of a hard disk drive running from a highly regulated power supply Physics 12 Expired
US6580326B2 High-bandwidth low-voltage gain cell and voltage follower having an enhanced transconductance Electricity 8 Expired
US7151410B2 Class AB enhanced transconductance source follower Electricity 8 Expired
US10659031B2 Radio frequency switch Electricity 8 Active
US8629725B2 Power amplifier having a nonlinear output capacitance equalization Electricity 6 Active
US6285259A System and method for converting from single-ended to differential signals Electricity 6 Expired
US7091783B2 Rejection circuitry for variable-gain amplifiers and continuous-time filters Electricity 5 Expired
US6853509B2 Acquisition signal error estimator Physics 5 Expired
US6252459A System and method for a dual bandwidth capacitor multiplying filter Physics 4 Expired
US7368994B2 Class AB enhanced transconductance source follower Electricity 4 Active
US7405624B2 Class AB source follower Electricity 3 Active
US7741823B2 Linear voltage regulator with improved large transient response Physics 3 Active
US6549354B1 Acquisition signal error estimator Physics 2 Expired
US10560060B2 Linear CMOS PA with low quiescent current and boosted maximum linear output power Electricity 2 Active
US7280005B2 AC coupling network with variable attenuation Electricity 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.