Low-temperature coefficient ring oscillator, chip, and communication terminal
US12273110B2 · kind B2 · utility
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11Claims
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Assignee
Inventors
Key dates
| Filing date | May 16, 2023 |
| Grant date | Apr 8, 2025 |
| Priority date | — |
| Expiry date | Jun 9, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K3/011
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Disclosed in the present invention are a low-temperature coefficient ring oscillator, a chip, and a communication terminal. The low-temperature coefficient ring oscillator comprises a temperature tracking compensation circuit, an inverter oscillation circuit, and a buffer shaping circuit. The temperature characteristics of the impedance of a PMOS tube and an NMOS tube in an inverter in the inverter oscillation circuit are tracked and compensated for by means of the impedance, along with temperature change, of a PMOS tube and a NMOS tube connected by a diode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.