Abstract: The present invention relates to a processing of digitally measured signals. When sampling a measurement signal with a predetermined sampling rate, aliasing effects may occur, if a Nyquist condition is violated. For this purpose, the present invention suggests to analyze a frequency spectrum of a signal and to compare the frequency components of the spectrum with the setting of a measurement apparatus, in particular a sampling rate of the measurement apparatus. If a measurement signal comprises frequency components which may violate the Nyquist condition, an alert may be generated to adapt the set of the measurement arrangement.

Abstract: A measuring device comprises an interface, adapted to acquire a measuring signal, a triggering unit, adapted to determine at least one condition of the measuring signal based on an initial triggering condition, and a storage unit adapted to store data words, comprising changes of the at least one condition of the measuring signal and instances in time at which the changes of the at least one condition occur. Moreover, the measuring device comprises a parameter determination unit, adapted to determine at least one parameter from the data words and a parameter histogram unit, adapted to determine a parameter histogram of the at least one parameter.

Abstract: An electrical measurement device for measuring at least one electrical signal is described, the electrical measurement device comprising an electrical measurement unit for measuring the electrical signal and for deriving at least one measurement parameter from the measured electrical signal, an acoustic processing unit for processing a signal obtained from the electrical measurement unit, and a loudspeaker for outputting an acoustic signal representative of the signal obtained from the electrical measurement unit. The acoustic processing unit is configured to generate the acoustic signal to be outputted by the loudspeaker. The acoustic processing unit is further configured to modulate a predetermined acoustic signal by the at least one measurement parameter.

Abstract: An oscilloscope comprises a number of analog signal inputs for receiving respective analog input signals, an analog-to-digital converter, ADC, for every analog signal input, each ADC comprising an analog input and a digital output, the analog inputs being coupled to the respective one of the analog signal inputs for receiving the respective analog input signal, and the digital outputs outputting respective digital signals, and a signal processor coupled to the digital outputs of the ADCs that performs predetermined signal processing functions based on at least one of the digital signals and outputs a number of respective digital output signals.

Abstract: A measuring device serves for the measurement and display of at least one measurement signal. It contains a measuring unit for the measurement of the at least one measurement signal and a display unit. In this context, the display unit comprises a processing unit and a touch-sensitive screen. The processing unit is embodied in order to display the at least one measured measurement signal by means of the touch-sensitive screen and to register and process touches on the touch-sensitive screen. The processing unit is further embodied in order, in the case of a touch of the touch-sensitive screen in a first position, to display the displayed at least one measured measurement signal in at least one first region around the first position magnified with a first magnification.

Abstract: A test and measurement device is described with at least one measurement channel, a measurement input, an analog to digital converter, and an acquisition unit. The test and measurement device has a trigger clock configured to generate repeated trigger clock timings, the trigger clock timings controlling the acquisition unit. In addition, a method for applying a trigger is described.

Abstract: A measuring system has an analog-to-digital converter, an acquisition memory, a processing unit, and a display memory. The processing unit is adapted to decode a digital signal according to a protocol creating a decoded signal and to evaluate the decoded signal at a cursor position. The digital data generated by decoding the decoded signal at the cursor position is stored in the display memory. Further, a method for analyzing an analog signal according to a protocol is shown.

Abstract: A measurement device comprising a housing, a measurement channel, a trigger unit connected to the measurement channel, and an arbitrary waveform generator housed within the housing is disclosed. The measurement channel comprises an acquisition unit. The trigger unit is configured to detect a predetermined trigger event in a signal processed by the measurement channel. The trigger unit is configured to control the acquisition unit, and the trigger unit is configured to control the arbitrary waveform generator. Moreover, a measurement system and a method for operating a measurement device are disclosed.

Abstract: A measurement device is described that comprises a measurement unit configured to perform measurements on an electric signal of a device under test while applying at least one measurement parameter for performing the measurements. The measurement device has an integrated direct current source configured to power the device under test. The measurement device also comprises a monitoring unit configured to monitor at least one monitoring parameter of the direct current source. The measurement device has a control unit configured to control the measurement parameter. Further, a method for measuring a device under test is described.

Abstract: The invention relates to a system comprising a probe and a measuring device, wherein the probe is connected to an input of the measuring device, and wherein an analog-digital converter is connected downstream of the input of the measuring device. The probe provides an analog-digital converter for the generation of a value-discrete and/or time-discrete signal from an analog input signal, wherein the value-discrete and/or time-discrete signal is supplied to the analog-digital converter of the measuring device. The invention further relates to a method for the registration of an analog signal by means of a system comprising a probe and a measuring device.

Abstract: A measuring device comprises an interface, adapted to acquire a measuring signal, a triggering unit, adapted to determine at least one condition of the measuring signal based on an initial triggering condition, and a storage unit adapted to store data words, comprising changes of the at least one condition of the measuring signal and instances in time at which the changes of the at least one condition occur. Moreover, the measuring device comprises a parameter determination unit, adapted to determine at least one parameter from the data words and a parameter histogram unit, adapted to determine a parameter histogram of the at least one parameter.

Abstract: The invention relates to a method and to a switching device (4) and a measurement system (1). In the method according to the invention for determining time differences between measurement signals measured by at least two couple measurement devices (2, 3), a time basis signal is first generated for the measurement devices (2, 3). A common reference signal is further generated by a signal generator (5). The common reference signal is fed to measurement signal inputs (8, 9) of the coupled measuring devices (2, 3) via the switching device (4). A measurement signal is then fed to said measurement signal inputs (8, 9) of the coupled measuring devices (2, 3) and the time position of the measurement signals relative to the reference signal is determined in each of the coupled measuring devices (2, 3).

Abstract: A measuring device for triggering a test signal with a superposed noise signal includes a trigger unit, which is connected to a recording unit, where the test signal with respectively superposed noise signal is supplied to both. The trigger unit outputs a trigger signal to the recording unit as soon as the test signal with superposed noise signal has completely run through a hysteresis range. The trigger unit is connected to a hysteresis adjustment unit, where the hysteresis adjustment unit specifies a hysteresis range to the trigger unit, and where the hysteresis range specified by the hysteresis adjustment unit is adjustable.

Abstract: The invention relates to a system comprising a probe and a measuring device, wherein the probe is connected to an input of the measuring device, and wherein an analog-digital converter is connected downstream of the input of the measuring device. The probe provides an analog-digital converter for the generation of a value-discrete and/or time-discrete signal from an analog input signal, wherein the value-discrete and/or time-discrete signal is supplied to the analog-digital converter of the measuring device. The invention further relates to a method for the registration of an analog signal by means of a system comprising a probe and a measuring device.

Abstract: A measuring device serves for the measurement and display of at least one measurement signal. It contains a measuring unit for the measurement of the at least one measurement signal and a display unit. In this context, the display unit comprises a processing unit and a touch-sensitive screen. The processing unit is embodied in order to display the at least one measured measurement signal by means of the touch-sensitive screen and to register and process touches on the touch-sensitive screen. The processing unit is further embodied in order, in the case of a touch of the touch-sensitive screen in a first position, to display the displayed at least one measured measurement signal in at least one first region around the first position magnified with a first magnification.

Abstract: A measuring device provides a synthesizer device, at least two controlling devices and at least two controlled oscillators. The synthesizer device contains at least one direct digital synthesizer and generates at least two signals of known phase ratio. Signals generated by the synthesizer device form reference signals of at least one controlling device. Signals formed by the controlling devices control the controlled oscillators. The measuring device contains only frequency splitters, which divide by integer division factors.

Abstract: A measuring device for the measurement of differential signals including a real-time portion, which contains two probes, a signal adder and a triggering device. The probes each record a partial signal of a differential signal. The signal adder adds the partial signals to form a differential signal. The triggering device implements a triggering on the basis of the differential signal.

Abstract: A method for the recovery of a clock signal from a data signal, wherein the edges of the data signal and the clock signal are each presented by an ordered sequence of timing points, comprising determining missing edges in the sequence of data-signal edges, inserting new data-signal edges (Dx) into the sequence of data-signal edges to obtain a completed sequence of data-signal edges, and recovering the clock signal from the completed sequence of data-signal edges. The detection of missing edges in the sequence of data-signal edges is based on a prediction of the clock signal (FRONT CLOCK).

Abstract: Measurement points for display on a two-dimensional pixel-based display device are formed by scanned and digitized measurement values. To this end, the resolution of each measurement point according to time and/or value is higher than the resolution of the two-dimensional pixel-based display device. The measurement points are connected into a continuous measurement point curve if they are not located on directly adjoining pixels. In order to determine the pixels to be depicted of the continuous measurement point curve between two measurement points not located on directly adjoining pixels, the positions of the adjoining measurement points within the associated pixels are taken into consideration.

Abstract: A method for digital triggering of a digital recording of a digitized measurement signal having a superimposed noise signal. The method includes generating from the digitized measurement signal a digital triggering signal for the digital triggering of the digital recording of the measurement signal, and performing band-limitation of the noise signal superimposed on the digitized measurement signal via a low-pass filtering before the digital triggering signal is generated. The bandwidth of the low-pass filtering is adjusted dependent upon edge steepness of the measurement signal, in order to reduce variance ?t2 in jitter of the digital triggering signal.