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公开(公告)号：US09184484B2
公开(公告)日：2015-11-10
申请号：US13665124
申请日：2012-10-31
Applicant: Keysight Technologies, Inc.
Inventor： Hassan Tanbakuchi , Matthew Richter , Chen-Yu Chi , Richard L. Rhymes , Cinda Lynette Craven
CPC classification number: H01P5/185
Abstract: Described is a directional coupler for forward coupling energy from an input port to a coupling port. The directional coupler has a coupling factor and an operating frequency and an operating wavelength corresponding to the operating frequency.
Abstract translation: 描述了一种用于将能量从输入端口正向耦合到耦合端口的定向耦合器。 定向耦合器具有耦合因子和工作频率以及对应于工作频率的工作波长。
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公开(公告)号：US09841449B2
公开(公告)日：2017-12-12
申请号：US14954048
申请日：2015-11-30
Applicant: Keysight Technologies, Inc.
Inventor： Michael Mikulka , Richard Lynn Rhymes , Hassan Tanbakuchi , Chen-Yu Chi , Kenneth H. Wong , Thomas Zwick
Abstract: A system and method corrects the phase of measurement signals obtained from remote heads during testing of a device. A first signal is transmitted along first and second transmission lines to respective remote heads. A shunt switch is connected between a remote end of the first transmission line and a first remote head, and another shunt switch is connected between a remote end of the second transmission line and a second remote head. The shunt switches in a first configuration respectively reflect the first signal back to a phase measurement apparatus as first and second reflected signals. The phase measurement apparatus determines a first reference phase and a second reference phase respectively based on the first and second reflected signals. A compensation unit compensates phase of the measurement signals based on the first and second reference phases.
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公开(公告)号：US20170153280A1
公开(公告)日：2017-06-01
申请号：US14954048
申请日：2015-11-30
Applicant: Keysight Technologies, Inc.
Inventor： Michael Mikulka , Richard Lynn Rhymes , Hassan Tanbakuchi , Chen-Yu Chi , Kenneth H. Wong , Thomas Zwick
Abstract: A system and method corrects the phase of measurement signals obtained from remote heads during testing of a device. A first signal is transmitted along first and second transmission lines to respective remote heads. A shunt switch is connected between a remote end of the first transmission line and a first remote head, and another shunt switch is connected between a remote end of the second transmission line and a second remote head. The shunt switches in a first configuration respectively reflect the first signal back to a phase measurement apparatus as first and second reflected signals. The phase measurement apparatus determines a first reference phase and a second reference phase respectively based on the first and second reflected signals. A compensation unit compensates phase of the measurement signals based on the first and second reference phases.
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