John M. Wincn  _________________________________________________________________________________

P. O. Box 631
Cupertino, CA 95015-0631
Tel.: 1-408-725-0846, PDF version  

CMOS Analog and Serial I/O
Aug 2009 – Sep 2010 Numetrics Management Systems, Inc. (Direct contract, Analog & Mixed Signal)
20863 Stevens Creek Blvd., Suite 510, Cupertino, CA 95014
Main: 1-408-351-5800
  • Analog/Mixed-Signal time-to-complete estimates for use in product-development planning software
  • Mature and fine-geometry technology
Apr 2006 – Present University of California, Santa Cruz
Baskin School of Engineering, Staff and Graduate Research
1156 High St., Santa Cruz, CA 95064-1077
Voice: 1-831-459-1035 (no voicemail), Email: jmwincn at soe dot ucsc dot edu
  • BiCMOS and CMOS circuit design, PhD research on Polymer Optic Fiber links
  • 1 – 10 GBd Serial line drivers/receivers (Electric-Optic, Optic-Electric)
  • National Semiconductor (TI) 180nm CMOS, 250nm and 130nm BiCMOS
  • Cadence Virtuoso, Agilent ADS, Matlab
  • Responsible for periodic reports on my own research
  • SoE Contact between UCSC and National Semiconductor (Now a division of TI)
Mar 2006 – Jan 2007 NxP Semiconductors, Inc. (Direct contract, formerly Philips Semiconductors)
411 E. Plumeria Drive, San Jose, CA 95134-1924,
(Was: 1109 McKay Dr., San Jose, CA 95131-1706)
  • Medical systems components
  • Cadence Virtuoso, Matlab
  • Responsible for feasibility research, Analog I-to-F conversion (Low-frequency X-Ray Detection)
  • 180nm CMOS
Oct 2001 – Mar 2005 Toshiba America Electronic Components, Inc. (through outside contract service)
2590 Orchard Parkway, San Jose, CA 95131
Main: 1-408-526-2400
  • Library cells for PCI-X 1, PCI-X 2.0a, 133MHz to 533MHz serial line transceiver
  • 90nm CMOS
  • Project reports, design review notes, application notes, end-user notes
Nov 1998 – Oct 1999 TranscenData, Inc. (Startup: Optic Serial Data Transceivers)
1029 Corporation Way, Palo Alto, CA 94303-4305
  • Principal Analog Design Engineer
  • PAM5 Optic Serial Data Communication
  • Cadence Analog Artist, Matlab (Professional)
  • Target design 180nm CMOS, TSMC
  • Preliminary product specification, physical layer Transceiver
Apr 1988 – Jun 1997
Feb 1978 – Sep 1986
Advanced Micro Devices, Inc.
One AMD Place, P. O. Box 3453, Sunnyvale, California 94088-3453
Main: 1-408-749-4000,
  • Member of Technical Staff, Network Products Division, CMOS Analog Circuit Design
  • Voting member, IEEE Computer Society's 802.3 10BaseT Task Force
  • Enh/Depl NMOS, 0.35µm and 0.25µm CMOS
  • CMOS PLL, CDR, Line drivers, Line Receivers, 10b ADC, 12b DAC, Opamps, Band-Gap Reference, Single-Integration Delta-Sigma Modulator
  • Hspice, Mentor Design Architect, MathCad
  • 200MSPS DAC for 10BaseT/100BaseT
  • AM79C98 Twisted-Pair Ethernet Transceiver (TPEX)
  • AM79C980 Single-chip Integrated Multiport Repeater for 10BaseT (IMR)
  • AM79C900 Serial Interface Adapter (SIA) for single-chip Integrated Local Area Communications Controller (ILACC)
  • AM79C30 “S” Interface Digital Subscriber Controller (DSC), Voice CODEC
  • AM7901, AM7905 NMOS Subscriber-Line Audio processing Circuit (SLAC)
  • AM7910, AM7911 NMOS Single-chip 1200 Baud FSK modems
  • Analog design review notes, Product Engineering Notes
Sep 1986 – Apr 1988 Level One Communications, Inc. (Now a division of Intel)
105 Lake Forest Way, Folsom, CA 95630
  • CCITT (Now ITU) I.430 Line drivers and Receivers (ISDN), Alternate-Mark Inversion
System Level, Signal Integrity, Board Design
Jun 2000 – Oct 2001 Atoga Systems, Inc. (DWDM-based Routers; sold to Arris, Inc., 2003)
49026 Milmont Drive, Fremont, CA 94538
  • Member of Technical Staff – Hardware Design and Photonics
  • OC-48 Line Card development, WDM with fast tunable lasers
  • OC-192 product development support
  • Sonet-compatible CDR (Proprietary ASIC development work)
Jul 1997 – Nov 1998 G2 Networks, Inc. (Storage Area Networks; sold in 1999)
16780 Lark Ave., Los Gatos, CA 95032-7646
  • Senior Analog Engineer
  • Continued Design support, BiCMOS SerDes ("Bluejay"), 1.0625GBd OOK (1.25GBd capable)
  • Hspice, Cadence Analog Artist
  • In-house contact for Honeywell VCSEL module development, TSMC foundry, and outside silicon test
Jun 1975 – Feb 1978 Applied Technology, Inc. (was: Division of Litton)
P. O. Box 7012, San Jose, CA 95150-7012
  • Design Engineer, Secret Clearance
  • 4-Bit 50Msps Bipolar Flash ADC, Radar Homing and Warning Receiver
  • 1MHz Manchester 1553 line driver, active tri-state output (Hybrid module)
Other Background
IEEE Society membership Solid-State Circuits
Signal Processing
Microwave Theory and Techniques
Sep 2007 – Present University of California, Santa Cruz, Graduate program
Baskin School of Engineering
1156 High St., Santa Cruz, CA 95064-1077
Sep 1972 – Jun 1975 California State Polytechnic University, BSEE, 1975
3801 W. Temple Ave., Pomona, CA 91768-4005
U. S. Patents (PDFs, front page only)
  1. Pseudo-AUI Line Driver and Receiver Cells for Ethernet Applications, J. M. Wincn; No. 5,694,427, Dec 1997
  2. High Speed, Low Power CMOS D/A Convertor for Wave Synthesis in Network, J. M. Wincn; No. 5,600,321, Feb 1997
  3. High Speed CMOS D/A Convertor for Wave Synthesis in Network, J. M. Wincn; No. 5,592,166, Jan 1997
  4. Reversible AUI Port for Ethernet, J. M. Wincn; No. 5,568,515, Oct 1996
  5. Bi-Phase Decoder Phase-Lock Loop In CMOS, J. M. Wincn; No. 5,276,716, Jan 1994
  6. Method and Apparatus for Squelch Circuit in Network Communication, J. M. Wincn, et. al; No. 5,327,465, Jul 1994
  7. Method and Apparatus for CMOS Differential Line Driver Having a Rapid Turnoff, J. M. Wincn, et. al; No. 5,263,049, Nov 1993
  8. Automatic Polarity Detection and Correction Method and Apparatus, J. M. Wincn, et. al; No. 5,257,287, Oct 1993
  9. Medium Attachment Unit for Use with Twisted Pair LAN, J. M. Wincn, et. al; No. 5,164,960, Nov 1992
  10. CMOS-Transistor-Based Digital-to-Analog Converter, J. M. Wincn, et. al; No. 4,635,038, Jan 1987
  11. Sampling Comparator Circuit for Processing a Differential Input, J. M. Wincn, et. al; No. 4,542,308, Sep 1985