Inventor
SONNTAG JEFFREY LEE
US21 patents
⚠️ This page may combine multiple inventors who share the name “SONNTAG JEFFREY LEE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SYNOPSYS INC
11 patentsUS7194365B1Mar 20, 2007
Method and apparatus for integrated undersampling
SYNOPSYS INC10 citations84
US7400694B1Jul 15, 2008
Method and apparatus for eye-opening based optimization
SYNOPSYS INC9 citations82
US7262621B1Aug 28, 2007
Method and apparatus for integrated mixed-signal or analog testing
SYNOPSYS INC12 citations76
US7382825B1Jun 3, 2008
Method and apparatus for integrated channel characterization
SYNOPSYS INC4 citations62
US7586998B1Sep 8, 2009
Method and apparatus for receiver pulse response determination
SYNOPSYS INC2 citations61
US7545886B2Jun 9, 2009
Method and apparatus for eye-opening based optimization
SYNOPSYS INC2 citations60
US7236550B1Jun 26, 2007
Method and apparatus for tail cancellation equalization
SYNOPSYS INC5 citations60
US7383518B1Jun 3, 2008
Method and apparatus for performance metric compatible control of data transmission signals
SYNOPSYS INC2 citations57
US8000917B2Aug 16, 2011
Method and system for S-parameter capture
SYNOPSYS INC0 citations52
US7424380B2Sep 9, 2008
Method and apparatus for integrated distribution function capture
SYNOPSYS INC1 citations50
US8015539B2Sep 6, 2011
Method and apparatus for performance metric compatible control of data transmission signals
SYNOPSYS INC0 citations47
LUCENT TECHNOLOGIES INC
5 patentsUS6148431ANov 14, 2000
Add compare select circuit and method implementing a viterbi algorithm
LUCENT TECHNOLOGIES INC51 citations92
US5744993AApr 28, 1998
Read channel for at least partially offsetting nonlinear signal effects associated with the use of magneto-resistive heads
LUCENT TECHNOLOGIES INC28 citations92
US6097769AAug 1, 2000
Viterbi detector using path memory controlled by best state information
LUCENT TECHNOLOGIES INC40 citations91
US5859564AJan 12, 1999
Differential amplifier circuit for use in a read channel for a magnetic recording system
LUCENT TECHNOLOGIES INC15 citations72
US5901075AMay 4, 1999
Performance of an adaptive weight FIR filter having a timeshared tap weight processor
LUCENT TECHNOLOGIES INC13 citations69