Integrated shielding for motor and test antenna de-coupling
AssigneeRohde & Schwarz GmbH & Co. KG
InventorsCorbett Rowell, Daniel Markert, Vincent Abadie
Life of this patent
Estimating the term…
Abstract
A measurement system for measurements of a device under test (DUT) is provided. The measurement system includes a first test antenna configured to send radio frequency (RF) radiation to the DUT and to receive RF radiation sent by the DUT. The system further includes a positioning device, including at least one motor, configured to move the DUT about at least one axis of rotation. The system further includes a geometrical fixture configured to absorb RF radiation and to de-couple or shield the DUT from unintended or spurious RF radiation of one or more of the at least one motor and the first test antenna.
Claims18
A measurement system for performing measurements of a device under test (DUT), comprising:
- a first test antenna configured to send radio frequency (RF) radiation to the DUT and to receive RF radiation sent by the DUT;
- a positioning device, including at least one motor, configured to move the DUT about at least one axis of rotation;
- and
- a geometrical fixture configured to absorb RF radiation and to de-couple or shield the DUT from unintended or spurious RF radiation of one or more of the at least one motor and the first test antenna;
- and
- wherein the geometrical fixture is directly attached to the positioning device or is integrally formed with the positioning device.
A measurement system for performing measurements of a device under test (DUT), comprising:
- a first test antenna configured to send radio frequency (RF) radiation to the DUT and to receive RF radiation sent by the DUT;
- a positioning device, including at least one motor, configured to move the DUT about at least one axis of rotation;
- and
- a geometrical fixture configured to absorb RF radiation and to de-couple or shield the DUT from unintended or spurious RF radiation of one or more of the at least one motor and the first test antenna;
- and
- wherein the geometrical fixture is mounted such that it rotates with at least one of the at least one axis of rotation of the positioning device in order to reduce space between the positioning device and the geometrical fixture.
A method for performing measurements of a device under test (DUT), the method comprising:
- sending, via a first test antenna, radio frequency (RF) radiation to the DUT;
- receiving, via the first test antenna, RF radiation sent by the DUT;
- and
- moving the DUT, using a positioning device including at least one motor, about at least one axis of rotation;
- and
- wherein one or more of the first test antenna and the at least one motor are de-coupled or shielded from the DUT by a geometrical fixture configured to absorb RF radiation, and
- wherein the geometrical fixture is mounted such that such that it rotates with at least one of the at least one axis of rotation of the positioning device in order to reduce space between the positioning device and the geometrical fixture.
Dependencies are inferred from the claim text.