Remote worker in Pennsylvania with 36+ years of experience - Last seen 5 years ago

Introduction / Synopsys: Electronic Design / Electronic Test / Embedded Systems Engineer

Microcontroller: (30+ Years), Analog, Digital, RF, Mixed-Signal, I/O, Audio, High Speed, Wireless, ADC, DAC, FPGA. Hardware / Embedded Firmware: C, C++, Assy, Bare-Bones / Bare-Metal, Emulators, uC design, JTag Debuggers. Lab Equipment: Scopes, Meters, PS Loads, Spectrum Analyzers. Legacy Logic Families: Characteristics well understood (74TTL, 74LSTTL, CD4000, 74HC, 74AHC, LVDS, LVT, ECL, PECL), timing, thresholds, mixed signal applications, digital design modernization. Design Experience: Schematic design EDA, DFT, CAD, PCB, BOM creation, Expert Witness, Technical writing (English first language). Simultaneous debug of Battery Management Systems: LIon, LiFePO4, LTO, Lead-Acid / Gel-Cells. Power Supplies: AC/DC, DC/DC converters, Wiring-harness design. R&D: Product development, hands-on engineering including Regulated Environments: Aerospace, Military (Multiple regulations), Medical (ISO-13485), Industrial, Commercial, Design Validation / Verification, Manufacturing, component obsolescence, remediation, DFMEA, WCCA Test fixture design and Documentation, Root Cause Analysis. Magnetics: Field familiarity / Tesla units. RoHS-1, RoHS-2 Familiarity: Solder compliance and military exemptions (min. 5% lead). EMI Testing / Compliance, Part-15 A / B. Additional Support: Project Leader / Manager, Board Owner, Production Liaison, Purchasing Support, Technical Support and Component Engineering, System Engineering Support. Power Distribution: (3.3V, 5V, 120/240 VAC, High Voltage). Automotive: 12V / 28V, OBD2 250/500 Kbit/s knowledge. Have worked per Medical regulations. Most areas of science understood. Extensive RF background.

🛂 Nationality	🇺🇸 United States
🏡 Residency	🇺🇸 United States
📍 Location	🇺🇸 United States
Remote OK	rok.co/@davidkquinn
🔗 Website	sdfljasfjkhsdfajsf ⭐️ Upgrade to Premium to contact
Skilled in	experience and knowledge deep understanding experience hardware firmware engineering standards hardware digital logic ttl legacy 74xx tiny logic analog adc dac rf dft mixed signal video pll dll dpll embedded firmware c c plus plus bare metal board bring up riot linux bmc hal device drivers c programming 25 yrs c c plus plus assy python cooperative multitasking time dispatch state machines scripting languages threadx digital logic 74hc 74hct lvt cd4000 lvc lvx ttl lsttl ecl lvecl output loading input loading cmos capacitive logic thresholds setup hold timing employed in clocked systems srams ddr d flip flops registers etc discrete semiconductor passive discrete component level active bjts mosfets igbts sicfets ganfet jfets battery management system design lithium ion lithium iron phosphate lithium titanate lead acid nickel metal hydride i o discrete i2c spi analog digital scaling self diagnostic safety margins mil std 1547 derating tvs and esd protection power supply buck boost step up fly back battery backup inverter bms charging cuk i2c control single phase three phase switching power supply design dc to dc converters inverters typically 80 90 efficient familiar mil std704 mil std 1275e analog design low noise analog op amps mixed signal audio including class d asic and power supply including pcb layout memory static sram dynamic synchronous refresh flash slc nand nor sddr ddr2 ddr3 solid on refresh read write high power peripheral drivers solenoids plc brushless dc motor drive flow controllers flow sensors pumps proportional valves motor control servo loop applications actuators wheatstone bridge load cells resolution tracking resolver to digital conversion for angular motor position tracking medical pumps plc programing control and interface voice coil motor driver wiring integrity ipc 620 ewis electrical wiring interconnection system wiring harness cable design nasa 8739 4 signal integrity balanced differential signaling impedance matching high speed digital signaling terminations programmable logic cplds fpgas and asics with on board mixed signal communications bluetooth spi i2c smbus pmbus rs232 rs422 rs485 dmx 512 usb lvds fsk hart ethernet ethercat can serdes infrared rapidio obd2 auto interface varies between manfs microcontrollers arm m6 m7 pic msp430 8051 8052 z80 68xx 6502 x86 8748 tms320 c2000 ides debuggers emulators sensors i2c spi can lin mems gps voltage current pir infrared thermal pressure altitude proximity wheatstone bridge schematic capture cad pcb dfm eda altium cadence allegro cadstar kicad mentor graphics pads orcad sunstoneemi emc compliance rf fcc part 15a b mil std 461 emi emc design testing miniature transmitter design microwave military telephony and modem fcc part 68 pots daa tvs esd transient voltage and lightning protection solar power technology familiarity gained through research and strong interest component engineering work closely with suppliers and manufacturers cems boms sample qualification documentation expert witness technical writing failure analysis boms production erp tech and purchasing support laboratory equipment familiar with standard equipment oscilloscopes meters spectrum analyzers logic analyzers dvms etc document guidelines do 254 dscc military part numbers mil std 1547 derating and mil std 704e do 160 do 178b limited rf military microwave 5ghz tropospheric scatter 2 4ghz transmitters receivers telemetry equipment filters mixers lnas plls rf commercial bluetooth wifi fm am transmission fm stereo 38khz subcarrier exp rf design tuned antennas wireless radio ism communications transmitter receiver designs 433mhz 915mhz mesh networking up to 2 4ghz pwm led driver design vasi visual approach slope indicator using leds mems devices accelerometers gyroscopes and geomagnetic sensors spi i2c interface support software git labview spice quartus pspice matlab git cm ltspice windchill excel outlook project visio word thermal familiar with thermo couples semiconductor temperature sensors spi i2c microcontroller interface test design design for test dft familiar with testing test equipment design logic level uc adc feedback i2c adc spi adc regulated environments employed environmental regulation standards procedures 30 years such as emi emc military medical iso 13485 industrial automotive temperatures 55 125 c use of mil std 1547 derating in designs safety design vital related safety design thermal creepage clearance grounding fail safe leakage ex standards such as iec 60950
Fluent in	english 1st languagesome familiarity with hebrew spanish
Preferred timezone	EC, USA
Preferred annual pay (min)	$170,000/year
Last seen	5 years ago
Signed up	5 years ago
Badges	👨‍💻 Remote worker 🎖 Early adopter