Inventor
GERSBACH JOHN E
US41 patents
⚠️ This page may combine multiple inventors who share the name “GERSBACH JOHN E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
40 patentsUS5382922AJan 17, 1995
Calibration systems and methods for setting PLL gain characteristics and center frequency
IBM197 citations99
US5873053AFeb 16, 1999
On-chip thermometry for control of chip operating temperature
IBM106 citations98
US5508660AApr 16, 1996
Charge pump circuit with symmetrical current output for phase-controlled loop system
IBM118 citations98
US5295155AMar 15, 1994
Multi-level digital data regeneration system
IBM75 citations96
US5293405AMar 8, 1994
Adaptive equalization and regeneration system
IBM100 citations96
US5245637ASep 14, 1993
Phase and frequency adjustable digital phase lock logic system
IBM79 citations96
US5212716AMay 18, 1993
Data edge phase sorting circuits
IBM73 citations96
US5043674AAug 27, 1991
Differential receiver with high common-mode range
IBM69 citations96
US5729159AMar 17, 1998
Multiple reference sense amplifier
IBM23 citations93
US5642116AJun 24, 1997
Self calibrating segmented digital-to-analog converter
IBM27 citations93
US5485126AJan 16, 1996
Ring oscillator circuit having output with fifty percent duty cycle
IBM41 citations93
US5825226AOct 20, 1998
Delay equalization apparatus and method
IBM37 citations92
US5694087ADec 2, 1997
Anti-latching mechanism for phase lock loops
IBM22 citations92
US5629650AMay 13, 1997
Self-biased phase-locked loop
IBM43 citations92
US5504459AApr 2, 1996
Filter network for phase-locked loop circuit
IBM23 citations92
US5418789AMay 23, 1995
Fast communication link bit error rate estimator
IBM28 citations92
US5371766ADec 6, 1994
Clock extraction and data regeneration logic for multiple speed data communications systems
IBM38 citations92
US5347234ASep 13, 1994
Digital voltage controlled oscillator
IBM46 citations92
US5220581AJun 15, 1993
Digital data link performance monitor
IBM50 citations92
US5185768AFeb 9, 1993
Digital integrating clock extractor
IBM23 citations92
US5870404AFeb 9, 1999
Self-timed circuit having critical path timing detection
IBM33 citations91
US6097215AAug 1, 2000
Low power voltage translation circuit
IBM32 citations90
US5635869AJun 3, 1997
Current reference circuit
IBM28 citations90
US4193127AMar 11, 1980
Simultaneous read/write cell
IBM23 citations82
US6198339B1Mar 6, 2001
CVF current reference with standby mode
IBM9 citations74
US5627456AMay 6, 1997
All FET fully integrated current reference circuit
IBM9 citations74
US5598313AJan 28, 1997
Electrostatic discharge suppression circuit for integrated circuit chips
IBM13 citations74
US5101203AMar 31, 1992
Digital data regeneration and deserialization circuits
IBM16 citations74
US4433283AFeb 21, 1984
Band gap regulator circuit
IBM9 citations74
US5694032ADec 2, 1997
Band gap current reference circuit
IBM11 citations73
US5391935AFeb 21, 1995
Assertive latching flip-flop
IBM16 citations73
US5539342AJul 23, 1996
Low distortion memory write current head drive
IBM12 citations70
US5422642AJun 6, 1995
DC centering analog receiver for flash A/D converter
IBM13 citations67
US4477846AOct 16, 1984
Sensitive amplifier having a high voltage switch
IBM6 citations63
US4181981AJan 1, 1980
Bipolar two device dynamic memory cell
IBM5 citations63
US5418484AMay 23, 1995
Line fault detection system with a differential driver
IBM3 citations60
US4604531AAug 5, 1986
Imbalance circuits for DC testing
IBM2 citations58
US4302823ANov 24, 1981
Differential charge sensing system
IBM4 citations54
US5384546AJan 24, 1995
Time domain component multiplexor
IBM0 citations52
US4675559AJun 23, 1987
Differential circuit having a high voltage switch
IBM0 citations52