UCLA researchers have developed a fully integrated wirelessly powered microchip with a small footprint of 2.47mm2. The chip includes an energy-harvesting front-end, a power management unit, a super-harmonic injection-locked oscillator, and on-chip receiving and transmitting antennas. The chip was successfully developed and achieved a maximum operating distance of 8cm, a 22% locking range from 4 to 5GHz, and a phase noise of -93dBc/Hz at 100Hz offset. The large locking range allowed for spectroscopy measurements on a variety of materials and fluids.
Abstract
UCLA researchers in the Department of Electrical and Computer Engineering have developed a wirelessly powered frequency-swept spectroscopy sensor.
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Advantages
- Extended operating distance
- Enhanced sensitivity
- Reduced power consumption potential Applications from the duty cycle mode
- Large locking range
Potential Applications
- Medical implants: detection of bleeding, body fluidic, cancerous tissue, etc.
- Industrial monitoring: detection of corrosion, crack, or change in the dielectric.
- Consumer electronics: fingerprint detection, touch sensors, objects identification, etc.
Contact Information
Name: UCLA Technology Development Group
Email: ncd@tdg.ucla.edu
Phone: 310.794.0558