Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Calibration
Reexamination Certificate
2007-04-17
2007-04-17
Hirshfeld, Andrew H. (Department: 2858)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Calibration
C324S715000, C324S072500
Reexamination Certificate
active
10953625
ABSTRACT:
A method for calibrating a pulsed measurement system, the system having a pulse generator unit, a measurement unit and a probe unit having a first and a second probe tip. The first tip, the pulse generator unit and the measurement unit are all interconnected by respective cables to a power divider network and an additional cable connects the second tip to the measurement unit. The method includes determining the transfer characteristics of the power divider network; measuring the characteristics of the system with the probe tips being open; measuring the characteristics of the system with the probe tips being interconnected; and calculating calibration constants for the system from the measurements and the transfer characteristics. The measurements are performed for pulses having specific characteristics.
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Hirshfeld Andrew H.
Keithley Instruments Inc.
Natalini Jeff
Pearne & Gordon LLP
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