Low-Power Relaxation Oscillator With Temperature-Compensated Thyristor Decision Elements


This paper presents a low-power 140 kHz relaxation oscillator (ROSC) for low-frequency clock generators and timers. In voltage-mode ROSCs, unavoidable shunt current consumption results from voltage slewing at the integration capacitor. The proposed circuit employs CMOS thyristor-based decision elements which effectively reduce shunt currents by exploiting internal positive feedback. A complemen... » read more

System Bits: Jan. 23


Artificial synapse for “brain-on-a-chip” portable AI devices In the emerging field of neuromorphic computing, researchers are attempting to design computer chips that work like the human brain, which, instead of carrying out computations based on binary, on/off signaling like digital chips do today, the elements of a brain-on-a-chip would work in an analog fashion, exchanging a gradient of... » read more

System Bits: Jan. 9


Microspectrometer smartens up smartphones Thanks to researchers at TU Eindhoven, smartphones are about to get much smarter to do things like checking how clean the air is, whether food is fresh or a lump is malignant thanks to a spectrometer that is so small it can be incorporated easily and cheaply in a mobile phone. The little sensor developed at TU Eindhoven is just as precise as the no... » read more

System Bits: Aug. 22


Bioimaging technique tracks multiple in vivo interactions To make it possible to quickly and economically monitor multiple molecular interactions in a large area of living tissue – such as an organ or a small animal — Rensselaer Polytechnic Institute researchers have created an approach to optical imaging that could have applications in medical diagnosis, guided surgery, or pre-clinical dr... » read more

System Bits: June 14


Microlaser phase locking arrays for terahertz security scanners Researchers at MIT and Sandia National Laboratories reminded that terahertz radiation, the band of electromagnetic radiation between microwaves and visible light, has promising applications in security and medical diagnostics, even if such devices will require the development of compact, low-power, high-quality terahertz lasers. ... » read more