San Francisco Bay Area
Engineering project management. 25Yrs leadership experience in Silicon Valley. Main electrical engineer at 4 successful startups, 3 of which have been acquired. Multidisciplinary scientific instrument design. Analog and digital circuit design. PCB Design. Altium. Digital Signal processing. Motion control electronics and servo theory / algorithms. Switching supply design. Biotech electronics, readers for fluorescence and colorimetric assays. Cytometers and cell sorters. Microfluidic disposable test design. Cell phone design, NFC, Bluetooth, WiFi. Wearable speaker acoustics, Wearable displays. Li Ion charging, Fuel gage, Bare metal firmware, SPI, I2C, RS232, RS485, Canbus. ~20 patents https://patents.justia.com/search?q=arjuna+karunaratne
https://stratedigm.com/ Design of Flow Cytometers. Sample prep automation. Engineering management. Employee #1, built startup from zero. Designed all electronics for first 3 generations of the flow cytometer. Granted several us patents on Cytometers and sorters https://patents.google.com/patent/US8570500B2/en https://patents.google.com/patent/US9952136B2/en https://patents.google.com/patent/US9108196B1/en
Design of motor control electronics. BLDC and Stepper Motor control circuits. Embedded bare metal firmware. Automation. Schematic capture. PCB layout. CTO and main Electrical Engineer/Manager from founding of company until successful acquisition. https://www.allmotion.com/
Design of a VR Headset Real Time Motion Tracking electronics with 1mm resolution in 1mS. Analog optical receiver design plus signal processing in an FPGA written in VHDL. Simultaneous reception of Hadamard Encoded optical signals from multiple sources and real-time decoding via FPGA to compute position,
Design of circuits used in sending crypto keys via Quantum Entangled Photons
Design of an hand-held Blood Analyzer of A1C. Modulated light colorimetric reader.