Inventor · Palm Bay, FL, US

John S. Prentice

35Patents
13h-index
13Co-inventors
78Inventor score

Filing activity: Aug 25, 1981 → Sep 14, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5504449A Power driver circuit Electricity 172 Expired
US6560448B1 DC compensation system for a wireless communication device configured in a zero intermediate frequency architecture Electricity 106 Expired
US6172556A Feedback-controlled low voltage current sink/source Physics 80 Expired
US6735422B1 Calibrated DC compensation system for a wireless communication device configured in a zero intermediate frequency architecture Electricity 76 Expired
US6763228B2 Precision automatic gain control circuit Electricity 61 Expired
US6674998B2 System and method for detecting and correcting phase error between differential signals Electricity 32 Expired
US4590664A Method of fabricating low noise reference diodes and transistors Emerging Cross-Sectional Technologies 30 Expired
US6538507B2 Automatic gain control circuit with high linearity and monotonically correlated offset voltage Electricity 24 Expired
US5357089A Circuit and method for extending the safe operating area of a BJT Electricity 23 Expired
US6426677B1 Linearization bias circuit for BJT amplifiers Electricity 19 Expired
US4472648A Transistor circuit for reducing gate leakage current in a JFET Electricity 17 Expired
US6891440B2 Quadrature oscillator with phase error correction Electricity 15 Expired
US5896053A Single ended to differential converter and 50% duty cycle signal generator and method Electricity 14 Expired
US4675798A Direct coupled switching power supply with GTO SCR switching element Electricity 11 Expired
US5248932A Current mirror circuit with cascoded bipolar transistors Physics 11 Expired
US5606288A Differential transimpedance amplifier Electricity 10 Expired
US4464631A Circuit for trimming FET differential pair offset voltage without increasing the offset voltage temperature coefficient Electricity 10 Expired
US7057469B2 High speed differential voltage controlled oscillator Electricity 9 Expired
US5812029A Gain control circuit and method Electricity 8 Expired
US6538513B2 Common mode output current control circuit and method Electricity 8 Expired
US5767757A Electrically variable R/C network and method Electricity 6 Expired
US6344762B1 Bias circuit for a low voltage differential circuit Electricity 6 Expired
US6570427B2 Variable transconductance amplifier Electricity 5 Expired
US6600372B2 Attenuator control circuit Electricity 5 Expired
US5086242A Fast turn-off of thyristor structure Electricity 4 Expired

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