Invention Grant
- Patent Title: Low-glitch range change techniques
-
Application No.: US16525257Application Date: 2019-07-29
-
Publication No.: US11022629B2Publication Date: 2021-06-01
- Inventor: Stefano I. D'Aquino , Jennifer W. Pierdomenico , Edward L. Collins
- Applicant: Analog Devices, Inc.
- Applicant Address: US MA Norwood
- Assignee: Analog Devices, Inc.
- Current Assignee: Analog Devices, Inc.
- Current Assignee Address: US MA Norwood
- Agency: Schwegman Lundberg & Woessner, P.A.
- Main IPC: G01R1/30
- IPC: G01R1/30 ; H03F3/45

Abstract:
Techniques are provided for changing a range of an output circuit with little or no voltage or current glitch. In an example, a method of changing a range of an output signal can include providing a first level of the output signal at an output of a first amplifier based on a received setpoint signal and receiving a range change command. In response to the range change command an input of a second amplifier can be shorted to an output of the second amplifier for a first interval. At the end of the first interval and over a second interval, a first impedance between the input of the second amplifier and the output of the second amplifier can be increased, and a second impedance between the input of the second amplifier and the setpoint signal can be increased.
Public/Granted literature
- US20210033644A1 LOW-GLITCH RANGE CHANGE TECHNIQUES Public/Granted day:2021-02-04
Information query