Robert G. Farmer
Oregon
Phone: 541-378-7227
Objective:
Analog IC Design Engineer (contract)
Relative Skill set and experience:
Successful, people oriented, soft skilled, hands on electronics Design and Applications Engineer with over 30 years in the semiconductor industry. Specialized in high volume Analog & Mixed Signal IC’s, RFIC’s (PLL) and hardware.
Accomplishments include over 30 custom analog IC and mixed signal designs from spec to tape out and beyond.
My extensive semiconductor background is augmented with several years in Applications Engineering of Analog/Mixed signal IC's and MCU based reference designs at Silicon Labs.
Qualifications:
* BSEE with over 30 successfully developed and profitably manufactured complex CMOS & BiCMOS IC designs from spec to tapeout and first silicon to production.
* Analog, Mixed signal IC and RFIC(PLL) design including physical layout, DRC, LVS, tape out, prototyping, microprobe trouble shooting and design for test.
* Skilled in systems design down to transistor level and physical layout with * CADENCE (Analog Artist and Virtuoso) , Magic etc.
* Expert in systems to silicon circuit simulation with mixed level Verilog/VHDL-AMS, SPICE and SPECTRE.
* Process’ utilized are Bipolar, CMOS, plain & SiGe BiCMOS to 0.15um, & dual gate CMOS to 0.15um
* Thorough technical knowledge of sub 100nm nodes to 40nm & familiar with 20nm.
IC design methodologies are: Full custom, semicustom and auto routed standard cell SoC
* Expert in Mixed signal integration techniques (A/d)
* PCB design, manual and auto routed multi-layer layout & trouble shooting
* Embedded firmware development utilizing dedicated MCU for sensor and control applications
* Applications Engineering (product concept thru validation, reference designs, * collateral materials and customer design-in nsupport.
* Highly susccessful cross functional project team leader/manager.
Projects and Accomplishments of Analog/Mixed Signal IC’s and RFPLL’s:
A 2.5Ghz fractional N RFPLL with laminate technology VCO in 0.25um SiGe BiCMOS
A 2.5Ghz fractional N RFPLL with integrated spiral VCO in 0.25um & 0.15um BiCMOS
A video PLL for DVD applications in 3.3 V 0.35um CMOS, then second generation migration to dual gate 3.3/2.5V 0.25um CMOS and finally dual gate 3.3/1.8V 0.18um CMOS
A 10bit video current steering DAC for DVD applications in 0.35um CMOS, then migration to dual gate 0.25um and finally to dual gate 0.18um CMOS
Low noise bandgap based 2.5v voltage ref/regulator for RFPLL VCO
SIR/MIR/FIR/VFIR IRDA transceiver family in BiCMOS
4 channel HBLED driver w/ fixed on time switching reg.
An Analog TV descrambler for Zenith cable products
An analog audio mixer, attenuator/amp for APPLE
A power supply supervisor for disk drive RAID systems for IBM
A disk drive data clk regenerator data synchronizer for IBM
A disk drive data clk regenerator data synchronizer for Samsung
A integrated power amp HDD voice coil drivers for Samsung
A integrated power amp HDD voice coil drivers for Maxtor
A linear high voltage combo supervisor for Hewlett Packard printers
A 6 bit flash convertor in in 15V Bipolar (60Ms/s) & VGA for General Instruments Sat application
A pre-amp for mag-optical HDD for SONY
High current integrated power variable output LDO voltage regulator for disk drive applications
A power supply LDO/combo supervisor for Fujitsu HDD application
Integrated set top box for Zenith
Projects and Accomplishments board level hardware (Applications Engineering):
Active reflectance Infra-red proximity detection projects:
1 meter range video display proximity detector w/ MCU reference design code
3 meter range security motion/direction detector with lens optics and w/MCU code
Hands free faucet on/off detect with direction gesture for hot/cold adjust w/ MCU code
Hands free soap , towel dispensers and flushers
Hands free indoor lighting control (switch replacement)
Linear position hand gesture detector for audio level control
High Brightness LED lighting and Ambient Light Sensing projects:
Phone wake-up ckt utilizing Ambient Light Sensor motion detection w/ MCU code
500 W industrial HBLED isolated switching power supply with Ambient Light Control and amber color control.
Switching power supply:
100W 90/3.3V isolated bridge switching power supply with digitally solid state isolated switch drivers
Other:
MCU based custom test system for Automotive ignition control modules
Software & Tools
CADENCE (Analog Artist and Virtuoso) , MAGIC, SPICE, SPECTRE RF, ELDO, AHDL, Verilog AMS/AHDL, , Dolphin SLED,SMASH ect, PowerMill, MATLAB/SCILAB, 2.5D (planar 3D) EM simulators Sonnet, Eagle, PADS, C/C++ , Windows thru version 7, MS Office, MS project, EXCEL, Power point, UNIX, LINUX , IAR VisualState & IDE’s ( integrated development environments) for TI, Silabs and Microchip MCU families. Familiar with Python, Java, Java swing GUI, PHP, MySQL.
Employment History
01/2009 – 8/2011 Consultant/Contractor Merced, Ca./Roseburg, OR.
Engineering services – industrial sensor design, Human Interface engineering, multi-layer PCB design
08/2008 – 08/2010 Silicon Labs SUNNYVALE, CA
Application Engineering Manager
With direct customer interface developed product concepts thru semiconductor IC product definition/architectures and prelim specifications for the proximity and ambient light sensor markets. Responsible for numerous reference designs and customer design-in of new BiCMOS sensor products.
Accomplishments:
*IR active reflectance proximity sensors detectors and control (0- 1meter ultra low power proximity detection system, motion direction detector)
*A motion detector using ambient light changes (based on Si114x ambient light sensor and Silabs C8051 F902 MCUs)
*A long range 1m-10m IR pulse proximity detection system including optical lensing and reflectors, a base for desktop, home and business activation, entry and alarm systems. (based on Si114x multi-LED proximity detector and F902 C8051 MCU)
*HBLED (High Brightness LED) power supply with ambient level and color control for home and industrial applications based on Silabs C8051 F912 series MCU's.
T*ouch less device control e.g. flushers, soap & towel dispensers, faucet, flow & temp. control, indoor lighting, HVAC and home entry etc. ( based on Si114x multi-LED proximity detector and Silabs F902 C8051 MCU)
*100w 3.3v DC/DC switching bridge convertor based on NSC/TI ...
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