Title:
ウェイクアップ検出器
Document Type and Number:
Japanese Patent JP6848105
Kind Code:
B2
Abstract:
The apparatus is a wake-up circuit including a first comparator coupled to an input signal and configured to compare the input signal to a first comparison value. The wake-up circuit includes a second comparator coupled to the input signal and configured to compare the input signal to a second comparison value. The wake-up circuit further includes an exclusive OR gate. A first input of the exclusive OR gate is coupled to an output of the first comparator. A second input of the exclusive OR gate is coupled to an output of the second comparator. The wake-up circuit also includes a tunable charge pump coupled to an output of the exclusive OR gate and configured to convert a signal from the exclusive OR gate to a DC value to wake up a circuit being monitored.
Inventors:
Aaron Yehez Kelly
Olon Sasson
Olon Sasson
Application Number:
JP2020030367A
Publication Date:
March 24, 2021
Filing Date:
February 26, 2020
Export Citation:
Assignee:
QUALCOMM INCORPORATED
International Classes:
H03K3/00; H03K4/02
Domestic Patent References:
| JP2015215643A |
Foreign References:
| US20120309325 | ||||
| US20130219204 | ||||
| US20150050897 |
Attorney, Agent or Firm:
Kurata Masatoshi
Morisezo Iseki
Takashi Okada
Morisezo Iseki
Takashi Okada