Differential voltage probe
US6856126B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2003 |
| Grant date | Feb 15, 2005 |
| Priority date | — |
| Expiry date | Apr 26, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R1/06766
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A voltage probe includes a first signal lead configured to receive a first signal from a device under test, a first probe-tip network that is coupled to the first signal lead and that has a frequency response that includes a first transmission zero, a first compensation network that is coupled to the first probe-tip network and that has a frequency response that includes a first transmission pole, a second signal lead configured to receive a second signal from the device under test, a second probe-tip network that is coupled to the second signal lead and that has a frequency response that includes a second transmission zero, a second compensation network that is coupled to the second probe-tip network and that has a frequency response that includes a second transmission pole, and a differential amplifier circuit that is coupled to the first compensation network and to the second compensation network, and that is configured to provide a third signal that is responsive to the first signal and to the second signal. Methods and other systems for providing electrical connections to devices under test are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.