Rosenberger Hochfrequeńztechnik Gmbh & Co. Kg

Thomas Zelder

Bernd Geck

A method for determining scattering parameters using a calibration substrate having at least one calibration standard with at least two electrical connection points, each for one measurement gate of a vector network analyzer. At least one electrical connection point is formed of at least one calibration standard having a switch, wherein the switch has a first electrical contact electrically connected to an electrical connection point of the calibration standard, a second electrical contact designed for electrically connecting to a measurement gate of the vector network analyzer, and a third electrical contact, wherein the switch is designed such that an electrical contact is established either between the first and third electrical contact or between the first and second electrical contact.

Method of determining scattering parameters using measurement arrangement having a calibration substrate and electronic circuit

A contactless measuring system having at least one test probe forming part of a coupling structure for the contactless decoupling of a signal running on a signal waveguide, wherein the signal waveguide is designed as a conductor of the electric circuit on a circuit board and as part of an electric circuit. To this end, at least one contact structure is configured and disposed on the circuit board such that said contact structure is galvanically separated from the signal waveguide, forms part of the coupling structure, is displaced completely within the near field of the signal waveguide, and has at least one contact point, which may be electrically contacted by a contact of the test probe.

Contactless measuring system for contactless decoupling of a signal running on a signal waveguide

A measuring system for determining scatter parameters of an electrical measurement object on a substrate, having a measuring machine having at least one measuring channel and at least one measuring probe electrically connected to at least one measuring channel and designed for non-contacting or contacting connection to an electrical signal line of the electrical measurement in the electronic circuit. A first positioning device is provided for at least one measuring probe, wherein at least one sensor detects a position of at least one measuring probe and outputs a position signal.

Measuring system for determining scatter parameters

The invention relates to a contactless loop probe for the contactless decoupling of an HF signal for a contactless measuring system, comprising at least one coupling structure () and at least one first signal conductor () electrically connected to the coupling structure () by a first transition (), said signal conductor being electrically connected by a second transition () to an output () for electrically connecting to the measuring system, wherein the coupling structure () is designed as an HF waveguide comprising at least one signal conductor () and at least one reference conductor ().

Contactless loop probe

Contactless measuring system for near field measurement of a signal waveguide

A calibration substrate having at least one calibration standard with at least two electrical connection points, each for one measurement gate of a vector network analyzer. At least one electrical connection point is formed of at least one calibration standard having a switch, wherein the switch has a first electrical contact electrically connected to an electrical connection point of the calibration standard, a second electrical contact designed for electrically connecting to a measurement gate of the vector network analyzer, and a third electrical contact, wherein the switch is designed such that an electrical contact is established either between the first and third electrical contact or between the first and second electrical contact.

Measurement arrangement having a calibration substrate and electronic circuit

A measuring probe, particularly for a non-contacting vector network analysis system, having a housing and at least one coupling structure disposed on the housing and designed for coupling an HF signal from a signal line, such that at least one additional signal probe is disposed on the housing for coupling an electrical signal into the signal line.

Measuring probe for a vector network analysis system

A method for calibrating a high frequency measurement device having N measurement ports, where N is an integer &#x2267;1, in particular a vector network analyzer, for determining scattering parameters of a measurement object with an n-port measurement, where n is an integer &#x2267;1, wherein a high frequency test signal is fed into a first electrical lead connected to the measurement object or to a circuit having the measurement object, wherein for each port, an HF signal running on a second electrical lead, connected to the measurement object is coupled out from the second electrical lead at a first coupling position and at a second coupling position placed at a distance from the first coupling position, wherein from the two HF signals coupled out, in each port, for each measuring site or coupling site, an amplitude and/or a phase, relative to the HF test signal, of an HF signal running on the second electrical lead to the measurement object and of an HF signal running on the second electrical lead away from the measurement object are determined and therefrom, scattering parameters of the measurement object are calculated.

HF measurement system, method for the calibration thereof, and method for determining scattering parameters with this HF measurement system

A loop directional coupler having a first waveguide, particularly a hollow, planar, or a coaxial conductor in the form of a half loop antenna having first and second antenna branches for the contact-free extraction of an incoming signal 'a' on a second waveguide and a returning signal 'b' on the second waveguide. The first antenna branch is connected to a first input of a first network and the second antenna branch is connected to a second input of the first network, the first network having a first power splitter at the first input and a second power splitter at the second input for dividing the signal present at each antenna branch, the first network having a first adder adding the signals of the first and second power splitters to each other, and a first subtractor subtracting the signals of the first and second power splitters from each other.

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Luneberg, Germany

Thomas Zelder