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cstanchak_resum

  1. 1. Carl M. Stanchak 2219 Monroe Place Colorado Springs, Colorado 80907 (719) 475-2682 stanchak@ieee.org Objective: Develop commercial analog integrated circuits. Have developed analog integrated circuits for various applications from audio/video to industrial control. These include opamps, bandgaps, i2c interfaces, crystal and rc oscillators, temperature sensing, low dropout voltage regulators, 16 bit analog to digital converters and charge pump circuits. Low power CMOS design and circuits at both low and high voltages have been designed. I have designed in submicron technologies and have a good background in device and semiconductor physics. Digital controllers and asynchronous interfaces using VHDL coding were designed. I have designed SRAM and EEPROM memories and EEPROM memory latch cells for analog circuit trim/calibration. Experience: NXP Corporation Tempe, AZ Contractor – Analog Design Aug-Oct 2013 • Simulation of 180nm analog circuits in Cadence for new power control circuits for USB applications. AMD Corporation Boxborough, MA Contractor – Analog Design Nov-Dec 2012 • HSPICE simulation of 30nm analog circuits for foundry transfer. Report on any design changes to be made. This contract duration was four weeks in the month of December. MAXIM Integrated Products Colorado Springs, CO Senior Member Technical Staff 2000 to 2011 • Audio Class A/B power amplifier. Video filter design and video analog signal processing for machine vision. • Designed and characterized 16bit successive approximation ADC. • Designed controller for 32 channel DAC employing 32 scanned sample and hold circuits employing an internal SRAM • Designed I2C interface circuits and various analog support circuits for different programs (bandgap, oscillators, and low dropout voltage regulators, temperature sensors) • Digital synchronous/asynchronous design done at the gate level or via VHDL coding
  2. 2. ATMEL Colorado Springs, CO Principle Design Engineer 1995 to 2000 • Designed ATMEL’s 128KHz RFID analog front end and embedded EEPROM for data store. • Design various EEPROM circuits for ASIC group • Developed low power (300na @ 10KHz) EEPROM with read capability down to 0.9v for RFID application • Designed a low power 32KHz crystal oscillator • Characterized the ASIC EEPROM designsNCR Colorado Springs, CO Principle Design Engineer 1988 to 1995 • EEPROM design, Nonvolatile data latch design, SCSI, Electrostatic pen system, etc. EM Microelectronics Neuchatel, Switzerland Senior Design Engineer 1986 to 1987 • Low voltage CMOS analog circuits down to one volt. • Subthreshold circuit design, low power crystal oscillators, automotive circuits, watch circuits NCR Microelectronics Colorado Springs, CO Senior Design Engineer 1980 to 1986 • Audio output stage circuits and DAC circuit for video applications Education: Colorado State University Fort Collins, Colorado MSEE Integrated Circuit Design University of Illinois Champagne, Illinois Research Assistant Solid State Physics University of Wisconsin Madison, Wisconsin BSEE Device Physics and Processing Patents: 1.) USP 6028491 – Crystal Oscillator with Controlled Duty Cycle (February 2000) 2.) USP 5949274 – High Impedance Bias Circuit for AC Signal Amplifiers (September 1999) 3.) USP 5168464 – Nonvolatile Differential Memory Device and Method (August 1993)
  3. 3. 4.) USP 4779029 – Digitally Compensated Multiplying Digital to Analog Converter (October 1988) Publications: Automatic Shutter Controller for Molecular Beam Epitaxy Review of Scientific Instruments 52(3), March 1981 Schottky Barriers and Ohmic Contacts on N-type InP Based Compound Semiconductors for Microwave FET’s IEEE Tran. on Electron Devices, Vol ED-28, January 1981 References: Timothy Derosier tjderosier@aol.com Zhi-Yuan Zou zyzoumail@yahoo.co Strengths: Analog design at the transistor level for high frequency, low/high voltage and low power according to the capabilities of the technology. ADC and DAC design. Opamps and support circuits (oscillators, bandgap and current references, etc). Switched circuits such as offset cancellation circuits. Feedback as internal compensation and compensation for external loads. General feedback as in control system design. Digital design for sequencing and controlling analog blocks based on state machines. Synchronization to external inputs and clocks. EEPROM and SRAM design. Charge pumps. Low dropout regulators. Semiconductor physics. ESD design. Simulation to reveal the limitations of a circuit with respect to manufacturing.
  4. 4. Part Some history for Carl Stanchak at Maxim Int Prod MAX1169 16 bit successive approximation adc – also: i2c interface, vhdl for adc control, reference buffer design MAX1062 14 bit successive approximation adc MAX5621 16bit dac with 16 channels of sample and hold – also: sample-hold update scan controller and SRAM for programmed data store including power-on initialization MAX7450 Video buffer delivering a standard video output level given nonstandard video in – sync tip level and entire video scaled to standard sync tip level MAXQ20 Micro controller using eeprom – developed voltage regulator for eeeprom power, diode based temperature sensor employing on chip adc, design/layout of entire padring for ESD as a block to support the core MAX1365 3.5 digit panel meter – designed digital interface registers to control 4-20ma output interface and voltage regulator employing external depletion device allowing operation from 7 to 30v (as in automotive applications) MAX1329 Data acquisition system – designed timebase with external output with +/- 1% variation over voltage and temperature MAX98309 Class A/B 1.4w audio amplifier in small package (1mm x 1mm), differential output with low offset and low click/pop noise performance and adjustable common mode output level MAX9591 14 channel gamma ref buffer for lcd displays – also precision voltage trip circuit at low power (1ua standby) that delivers a 1ms start-up pulse – also a voltage doubler based bridge circuit to connect a main set of i2c pins to an additional set of slave i2c pins Embedded LDO block delivering 1.8v for 0.18um circuits found on various audio parts (0.18um technology has a 2.0v abs max limit) MAX9650 Video buffer opamp – worked as a customer interface for using this circuit with various capacitive loading situations – evaluated overshoot and settling requirements

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