Driving circuit for single crystal RTC and RF clock
US10707841B1 · kind B1 · utility
1Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2019 |
| Grant date | Jul 7, 2020 |
| Priority date | — |
| Expiry date | Feb 8, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K3/037
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A crystal driving circuit comprising a circuit input node and a circuit output node, a high power amplifier having a power consumption of more than 100 μW, a low power amplifier comprising a power consumption less than 10 μW, the circuit being arranged to selectively isolate the high power amplifier and associated load capacitance from the circuit input node and the circuit output node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.