Inventor
CHOI DAVY H
US20 patents
Patents
20 patentsUS6369618B1Apr 9, 2002
Temperature and process independent exponential voltage-to-current converter circuit
TEXAS INSTRUMENTS INC63 citations95
US6147828ANov 14, 2000
Method and apparatus for reducing asymmetry in a signal from a magneto-resistive read head
TEXAS INSTRUMENTS INC62 citations94
US6023383AFeb 8, 2000
Error estimation circuit and method for providing a read channel error signal
TEXAS INSTRUMENTS INC72 citations93
US5479112ADec 26, 1995
Logic gate with matched output rise and fall times and method of construction
TEXAS INSTRUMENTS INC24 citations92
US6538833B2Mar 25, 2003
System and method for improving frequency response in a magneto-resistive preamplifier
TEXAS INSTRUMENTS INC16 citations84
US6404579B1Jun 11, 2002
Current bias voltage sense single ended preamplifier
TEXAS INSTRUMENTS INC16 citations83
US6927933B2Aug 9, 2005
Apparatus configured for applying write signals for driving a write head and method for configuring
TEXAS INSTRUMENTS INC11 citations73
US6046875AApr 4, 2000
Linear transconductance circuit having a large linear range
TEXAS INSTRUMENTS INC13 citations73
US5994926ANov 30, 1999
Circuit and method for programmably changing the transconductance of a transconductor circuit
TEXAS INSTRUMENTS INC14 citations73
US5952867ASep 14, 1999
Exponentiator circuit and method for generating decibel steps of programmable current gain
TEXAS INSTRUMENTS INC9 citations73
US5808460ASep 15, 1998
Rapid power enabling circuit
TEXAS INSTRUMENTS INC9 citations73
US6268765B1Jul 31, 2001
2.5V, 30-100 MHz 7th order equiripple delay continuous-time filter and variable gain amplifier
TEXAS INSTRUMENTS INC13 citations71
US5594377AJan 14, 1997
Delay circuit for a write data precompensator system
TEXAS INSTRUMENTS INC14 citations68
US5408135AApr 18, 1995
Rectangular-to-sine wave converter
TEXAS INSTRUMENTS INC3 citations63
US6734721B1May 11, 2004
Method and apparatus for affecting speed of transition of a closed loop circuit
TEXAS INSTRUMENTS INC6 citations62
US6631044B1Oct 7, 2003
Method of reducing a frequency-response peaking of a magneto-resistive preamplifier in a mass data storage device, or the like
TEXAS INSTRUMENTS INC2 citations62
US5933463AAug 3, 1999
Method and circuit for calculating metrics for an analog viterbi detector
TEXAS INSTRUMENTS INC5 citations62
US7110204B2Sep 19, 2006
Process-insensitive write current generation for a HDD preamplifier writer equipped with parallel output resistive damping
TEXAS INSTRUMENTS INC0 citations52
US7085088B2Aug 1, 2006
Method of controlling reader amplifier gain variations of a HDD preamplifier, or the like
TEXAS INSTRUMENTS INC1 citations52
US5461337AOct 24, 1995
System for providing linear time position variations in write precompensation circuit for use in disk drive systems
TEXAS INSTRUMENTS INC1 citations52