Invention Grant
- Patent Title: Source measure unit with guard drive circuit
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Application No.: US16148463Application Date: 2018-10-01
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Publication No.: US10763808B2Publication Date: 2020-09-01
- Inventor: James A. Niemann , Wayne C. Goeke
- Applicant: Keithley Instruments, LLC
- Applicant Address: US OH Solon
- Assignee: Keithley Instruments, LLC
- Current Assignee: Keithley Instruments, LLC
- Current Assignee Address: US OH Solon
- Agency: Miller Nash Graham & Dunn
- Agent Andrew J. Harrington
- Main IPC: H03F3/45
- IPC: H03F3/45 ; G01R15/00 ; G01R19/00
Abstract:
A test and measurement device including a source configured to output a source signal, a source output configured to output the source signal to a connected cable, a guard drive circuit electrically coupled to the source and configured to receive the source signal and generated a guard drive signal, the guard drive circuit having a gain less than one, and a guard drive circuit output configured to output the guard drive signal to a connected guard.
Public/Granted literature
- US20200106410A1 SOURCE MEASURE UNIT WITH GUARD DRIVE CIRCUIT Public/Granted day:2020-04-02
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