Negative differential resistance comparator circuits
US8525553B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2012 |
| Grant date | Sep 3, 2013 |
| Priority date | — |
| Expiry date | Apr 30, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D84/209
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
In one example, an oxide-based negative differential resistance comparator circuit includes a composite NDR device that includes a first electrode, a first thin film oxide-based negative differential resistance (NDR) layer in contact with the first electrode and a central conductive portion. The composite NDR device also includes a second thin film oxide-based NDR layer disposed adjacent to the first NDR layer and a second electrode. A resistor may be placed in series with the composite NDR device and an electrical energy source can apply applying a voltage across the first electrode and second electrode. The composite NDR device produces a threshold based comparator functionality in the comparator circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.