1
Thomas C Hill, Xiaofen Chen, Soraya J Matos, Leroy J Willmann, Kyle L Bernard, Linley F Gumm: Calibration for vector network analyzer. Tektronix, Francis I Gray, March 2, 2004: US06701265 (94 worldwide citation)

An improved calibration method for a vector network analyzer stores sparse calibration data, interpolates system error data from the sparse calibration data for each measurement by the vector network analyzer, and creates calibrated measurement data from the system error data and uncorrected measure ...


2
Thomas L Kuntz, Xiaofen Chen, Nikhil M Deshpande, Kyle L Bernard: Measurement receiver demodulator. Tektronix, William K Bucher, December 30, 2003: US06671334 (58 worldwide citation)

A measurement receiver demodulator has a first processing channel for producing a filtered signal sample output where the signal samples are processed through a transmission system receiver filter and a second processing channel producing an unfiltered signal sample output where the signal samples a ...


3
Nikhil M Deshpande, Kyle L Bernard, Man Kit Yau: Measurement acquisition and display apparatus. Tektronix, William K Bucher, Francis I Gray, August 7, 2001: US06272172 (23 worldwide citation)

A measurement acquisition and display system generates graphical displays of Cumulative Distribution Function (CDF) peak-to-average power ratio measurements of a digitally modulated RF signal and an ideal digitally modulated RF signal, such as an 8-VSB digital television signal. A variable target op ...


4
Kyle L Bernard: In-service CATV HUM measurement technique. Tektronix, Francis I Gray, February 28, 1995: US05394185 (14 worldwide citation)

An in-service hum and low frequency distortion measurement technique for in-service cable television channels having a video modulated carrier frequency obtains peak samples of the horizontal sync signal to effectively filter out the vertical interval frequency. The data record formed by the peak sa ...


5
Kyle L Bernard, Edward C Gee: Realtime power mask trigger. Tektronix, Franicis I Gray, Michael A Nelson, Matthew D Rabdau, July 31, 2007: US07251577 (7 worldwide citation)

A realtime power mask trigger generator for an instrument that acquires data in response to a trigger signal integrates power amplitudes over a defined bandwidth within a frequency spectrum for an input signal to produce an average signal power, and compares the average signal power with a specified ...


6
Kyle L Bernard, Craig D Bryant: In-context creation and editing of masks and waveforms. Tektronix, Francis I Gray, January 2, 2007: US07159187 (6 worldwide citation)

A method of creation/editing masks/waveforms for an instrument invokes a mask editor from an application running on the instrument. A context or signal waveform displayed in the application is transferred as a reference to a mask editor graphic display together with an unrelated current mask, which ...


7
Kyle L Bernard, Koichi Sega: Real-time RF/IF signature trigger. Tektronix, Francis I Gray, Michael A Nelson, December 30, 2008: US07471652 (4 worldwide citation)

An RF/IF signature trigger for acquiring received RF signal data is generated by correlating the received RF signal data in the form of a time domain RF/IF signal, a detected RF/IF signal and/or a frequency domain RF/IF signal with a reference signal defined by a signal signature record representing ...


8
Kyle L Bernard: Time arbitrary signal power statistics measurement device and method. Tektronix, Matthew D Rabdau, Michael A Nelson, November 20, 2007: US07298129 (3 worldwide citation)

A measurement instrument is provided with an FFT module providing a frequency domain output; and a power calculator connected to the frequency domain output to measure power statistics for a test signal of arbitrary length. In some embodiments, a spectrum integration module is provided to calculate ...


9
Man Kit Yau, Nikhil M Deshpande, Kyle L Bernard: Frequency spectrum measurement apparatus. Tektronix, William K Bucher, Francis I Gray, July 9, 2002: US06418162 (3 worldwide citation)

A frequency spectrum measurement apparatus sweeps a desired frequency range using multiple scan lines. A controller provides a non-contiguous sequence of input values to a frequency synthesizer operating as a local oscillator for generating a non-contiguous frequency output signal over the desired f ...


10
Kyle L Bernard: Wide-bandwidth spectrum analysis of transient signals using a real-time spectrum analyzer. Tektronix, Chris Tuttle, Michael A Nelson, May 15, 2012: US08179118 (2 worldwide citation)

A system and method for performing wide-band spectral analysis of transient signals using a real-time spectrum analyzer (RTSA). A frequency window is selected for RTSA acquisition, the frequency window being narrower in bandwidth than the frequency spectrum of interest. An RTSA is successively tuned ...