Beaverton, OR, United States
Beaverton, OR, United States

Tektronix, Inc. is an American company best known for manufacturing test and measurement devices such as oscilloscopes, logic analyzers, and video and mobile test protocol equipment. In November 2007, Danaher Corporation acquired Tektronix as a subsidiary. The company received a 2007 Technology & Engineering Emmy Awards for compliance standards monitoring systems for Advanced Television Systems Committee standard and Digital Video Broadcasting transport streams. Several charities are or were associated with Tektronix, including the Tektronix Foundation and the M.J. Murdock Charitable Trust in Vancouver, Washington. Wikipedia.


Time filter

Source Type

A test and measurement instrument, including a splitter configured to split an input signal having a particular bandwidth into a plurality of split signals, each split signal including substantially the entire bandwidth of the input signal, a plurality of harmonic mixers, each harmonic mixer configured to mix an associated split signal of the plurality of split signals with an associated harmonic signal to generate an associated mixed signal, a plurality of digitizers, each digitizer configured to digitize a mixed signal of an associated harmonic mixer of the plurality of harmonic mixers, and a linear time-periodic filter configured to receive the digitized mixed signal from each of the digitizers and output a time-interleaved signal. A first-order harmonic of at least one harmonic signal associated with the harmonic mixers is different from a sample rate of at least one of the digitizers.


A test and measurement instrument and method are disclosed. The test and measurement instrument includes a display having a time domain graticule and a frequency domain graticule. A processor is configured to sample an input signal to generate a time domain waveform for display in the time domain graticule. The processor is also configured to generate a frequency domain waveform for display in the frequency domain graticule, the frequency domain waveform being correlated to a selected time period of the time domain graticule. The processor is also configured to generate a spectrum time indicator configured to graphically illustrate a location and the selected time period of the time domain graticule with respect to the frequency domain waveform.


Patent
Tektronix Inc. | Date: 2016-11-17

A method and apparatus for continuous RF signal visualization with high resolution acquires RF signal data within a specified frequency bandwidth seamlessly to produce digitized time domain data. The digitized time domain data is processed in both the frequency and time domains to form high resolution spectral and time traces which are stored. To match human visualization abilities, the high resolution traces are combined to form low resolution traces which are displayed. With the spectral traces, spectrum bitmaps may be generated and stored so that the spectrum bitmap for any displayed spectral trace may be recalled and displayed. The high resolution traces for any specified low resolution trace may be recalled for display. Finally multiple trigger event types may be generated and displayed with the displayed traces.


A system and method of multi-symbol communications from a transmitter to a receiver via a channel, including transmitting signals as a waveform representing a sequence of symbols, each symbol of unit-interval duration and each symbol associated with its own signal level. This method includes graphically representing the waveform as an eye diagram having a horizontal time axis and a vertical signal level axis arranged to form one or more eyes, and using a sampling point in each eye to determine which signal the waveform in any unit interval represents. Each sampling point has a phase and a decision threshold. The method further includes identifying the eyes in the eye diagram, finding a convex polygonal region fitting within each eye, finding a largest rectangle fitting the convex polygonal region of each eye, and positioning the sampling point in each eye at a center of the rectangle of that eye.


Patent
Tektronix Inc. | Date: 2016-09-07

An electrical connector including a main body, a base portion, and a tapered end. The electrical connector extends axially in a first direction and an opposite second direction. The main body is configured to connect to an electrical cable. The base portion abuts the main body at a first end of the base portion and has an outer shoulder at a second end of the base portion. The tapered end extends and tapers from the outer shoulder in the second direction. The tapered end includes a plurality of resilient fingers separated by slots. The fingers extend away from the base portion in the second direction to a distal end of the fingers. The slots extend radially through the tapered end. The slots further extend axially in the first direction from the distal end through the outer shoulder.


Patent
Tektronix Inc. | Date: 2017-04-12

An electrical connector including a main body, a base portion, and a tapered end. The electrical connector extends axially in a first direction and an opposite second direction. The main body is configured to connect to an electrical cable. The base portion abuts the main body at a first end of the base portion and has an outer shoulder at a second end of the base portion. The tapered end extends and tapers from the outer shoulder in the second direction. The tapered end includes a plurality of resilient fingers separated by slots. The fingers extend away from the base portion in the second direction to a distal end of the fingers. The slots extend radially through the tapered end. The slots further extend axially in the first direction from the distal end through the outer shoulder.


Patent
Tektronix Inc. | Date: 2016-10-05

A cable restraint system including a device base. The device base includes a base plate, and at least one mounting post disposed thereon, and a cable restraint device. The cable restraint device includes a base portion having at least one mounting column structured to receive the at least one mounting post, a pair of opposed sidewalls defining a trough structured to receive at least one cable, a flexible insert received in the base portion and disposed between the sidewalls, and a top portion spanning the sidewalls to retain the flexible insert within the base portion and structured to engage the at least one mounting post.


Patent
Tektronix Inc. | Date: 2016-06-03

A test and measurement instrument including an input port configured to receive an input signal. One or more divider circuits, coupled to the input port, employ a plurality of divide ratios such that each divide ratio scales an event signal indicating events in the input signal by a predetermined integer value. A control system is also included. The control system is configured to iteratively determine an estimated signal frequency of the event signal, and automatically select a divide ratio for the event signal based on the estimated signal frequency. The instrument may also include one or more counters to count triggers in the event signal subsequent to application of the divide ratio. The instrument may also employ frequency hysteresis to prevent chatter in divide ratio selection.


Patent
Tektronix Inc. | Date: 2016-02-17

A test and measurement instrument includes a user interface (1020) and a controller (1005). The controller is configured to receive a serial bit stream and apply a logic (1010) to the serial bit stream to identify states within the serial bit stream. The result of applying the logic to the serial bit stream is a combined state/bit stream. A regular expression can be applied (1015) to the combined state/bit stream: the regular expression can include state information (1025). The controller is also configured to present output data through the user interface in response to the application of the regular expression to the combined state/bit stream.


Patent
Tektronix Inc. | Date: 2016-04-06

A stream based storage system includes a plurality of storage nodes configured to provide storage and retrieval of at least a time-based portion of one or more data streams in response to a receipt of a data storage/retrieval request associated with the one or more data streams. Each of the one or more data streams includes a plurality of time-ordered items. The stream based storage system further includes a plurality of applications communicatively coupled to the plurality of storage nodes. The plurality of applications is configured to issue the data storage/retrieval request associated with the one or more data items.

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