Ray Barnett, Ph. D.

• 6 years as Distinguished Member of the Technical Staff at Texas Instruments
• 14 years at Texas Instruments
• 14 years in wired communications Analog/mixed-signal High Frequency:Multi-Ghz and Gbps Low noise specialist CMOS/BiCMOS/SiGe
• 6 years in RFIC:Chip Lead and Block Design
• 10 years in PMIC design Lead and Block Design
• 2.5 years in Implantable Medical Devices
• 27 years as a design lead, customer facing product development
• Lead of device development using cross functional teams of design, verification, test, system and product engineering
• Responsible for all device design aspects from R and D to Release to Production
• Extensive experience in IC Top Level Verification Experience creating verilog-A/AMS models for top level simulations
• Self-Driven: Proven Leader and Contributor in Startup Mentality Situations Involved in two start up design centers (TI in 2000 and Atmel in 1997)
• 30 US patents granted with additional pending
• 20+ years experience in custom IC layout Several IC’s produced as both design lead and top level layout lead
• 20 + years of experience using Cadence front to back EDA tools
• Earned MSEE and Ph. D. while working full time in industry

• Low Noise Amplifiers-impedance matched broad band kHz to Multi-GHz BW
  
• Narrow Band RF LNA up to 2.5GHz
  
• RF Power Amp up to 2.5GHz
  
• Broad Band Impedance Matched Write Drivers Multi-Gb/s
  
• High Speed Impedance Matched Laser Diode Drivers Multi-Gb/s
  
• RF Mixers, RF Amplifiers, IF Stage Circuits,
  
• Pre-drivers
  
• Power Amps up to 2.5GHz
  
• I/Q Mixer for Direct Conversion Receiver operating at 3.5GHz
  
• ASK and OOK Demodulators – UHF RFID, Medical,
  
• Wireless Power transfer PMIC RF Rectifiers
  
• UHF RFID
  
• High Speed AGC loops – MOS and Bipolar, Gilbert cells, Quad AGC cells, MOS amp
  
• Continuous Time Filters – Up to 7th order
  
• Sampled Data Filters
  
• BiCMOS track and hold based designs
  
• Optical Preamplifiers – CMOS, DVD-RAM multi-channel preamp
  
• IC 26MHz Crystal Oscillator for RFIC

• Cadence Analog Artist, Virtuoso, Analog Design Environment, ADE-XL, Explorer/Assembler for block level verification and regression
• SpectreRF, Spectre, TISpice, Hspice, UltraSim
  
• Matlab and Simulink modeling of systems: data channels, delta-sigma data converter
  
• Advanced Design System (ADS) Agilent
  
• Modeling in AHDL, Verilog-A/AMS, Verilog Mixed Mode Simulations for top level verification
  
• Extensive Direct Implementation of Cadence Skill Routines for Custom EDA
  
• Cadence Virtuoso Layout XL with Assura and Calibre verification tools

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• Multi-channel SAR ADC up to 10 bit
  
• 16 bit Delta-Sigma:
  
• 2nd order single bit topology with low flicker noise for low frequency sensor bandwidth
  
• 15 to 12 bit Delta-Sigma: Low power and low cost 1st order single bit topology
  
• 10 bit pipeline ADC with error correction logic
  
• 6 bit flash ADC for high speed signal acquisition​​

Extensive IC evaluation and debug: bench board and evaluation, GUI development, micro-probing, direct FIB work, high frequency and low noise measurements using network and spectrum analyzers, high speed and signal integrity measurements in time domain with scopes and TDR, extensive use in general lab equipment, direct and develop test plans for bench and ATE characterization and production tests​

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• SMPS DCDC Converters: Buck, Boost, Buck-Boost and Cap Switcher Designs
  
• COT style Buck-Boost
  
• nano-power LDO's
  
• LED Drivers Battery Charging Systems,
  
• Wired and Wireless H-bridge inductive load drivers
  
• Synchronous Rectifier ACDC
  
• Bias Circuits
  
• Band-gap references
  
• Analog Temperature Sensor
  
• Linear Regulators
  
• Serial Port Controller and Register Various digital control loops for mixed mode
  
• Non-volatile memory design EEPROM array EEPROM controllers High Voltage Charge Pumps for non-volatile memory
  
• Oscillators – nano-power Various crystal oscillators, Real Time Clock​

Processes Used In Industry Products
Standard and Analog CMOS from 0.5um, 0.35um, 0.25um, 180nm, 130nm, 65nm, 28nm BCD, CMOS, Bipolar, BiCMOS, SiGe BiCMOS