Inventor
WHATLEY ROGER A
US20 patents
Patents
20 patentsUS5245646ASep 14, 1993
Tuning circuit for use with an integrated continuous time analog filter
MOTOROLA INC68 citations96
US4477737AOct 16, 1984
Voltage generator circuit having compensation for process and temperature variation
MOTOROLA INC61 citations96
US4857863AAug 15, 1989
Low power output driver circuit with slew rate limiting
MOTOROLA INC80 citations95
US4508983AApr 2, 1985
MOS Analog switch driven by complementary, minimally skewed clock signals
MOTOROLA INC77 citations95
US6492686B1Dec 10, 2002
Integrated circuit having buffering circuitry with slew rate control
MOTOROLA INC24 citations92
US6066971AMay 23, 2000
Integrated circuit having buffering circuitry with slew rate control
MOTOROLA INC23 citations92
US5083051AJan 21, 1992
Output driver circuit with improved output stage biasing
MOTOROLA INC23 citations92
US5055847AOct 8, 1991
Differential sensing current-steering analog-to-digital converter
MOTOROLA INC23 citations92
US4573020AFeb 25, 1986
Fully differential operational amplifier with D.C. common-mode feedback
MOTOROLA INC27 citations92
US4504747AMar 12, 1985
Input buffer circuit for receiving multiple level input voltages
MOTOROLA INC50 citations92
US4450367AMay 22, 1984
Delta VBE bias current reference circuit
MOTOROLA INC46 citations92
US4375595AMar 1, 1983
Switched capacitor temperature independent bandgap reference
MOTOROLA INC47 citations92
US4342926AAug 3, 1982
Bias current reference circuit
MOTOROLA INC46 citations92
US5045773ASep 3, 1991
Current source circuit with constant output
MOTOROLA INC16 citations74
US4713625ADec 15, 1987
Circuit for improving power supply rejection in an operational amplifier with frequency compensation
MOTOROLA INC14 citations74
US4636738AJan 13, 1987
Parasitic compensated switched capacitor integrator
MOTOROLA INC16 citations74
US4516082AMay 7, 1985
Amplifier circuit for minimizing output voltage power-up transients
MOTOROLA INC17 citations74
US4482868ANov 13, 1984
Output stage for a driver circuit having low quiescent output current
MOTOROLA INC11 citations74
US4336503AJun 22, 1982
Driver circuit having reduced cross-over distortion
MOTOROLA INC13 citations74
US4355285AOct 19, 1982
Auto-zeroing operational amplifier circuit
MOTOROLA INC15 citations73