Agilent Technologies 6000 Series User Manual
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Summary of Contents for Agilent Technologies 6000 Series
- Page 1 Agilent 6000 Series Oscilloscope User’s Guide Agilent Technologies...
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Page 2: Agilent Technologies
Agilent Technologies, Inc. 2005-2006 Printed in Malaysia Fourth Edition, June 2006 *54684-97011* 54684-97011 Agilent Technologies... -
Page 3: Fft Measurement
When using FFTs, it is important to be aware of frequency aliasing. This requires that the operator have some knowledge as to what the frequency domain should contain, and also consider the sampling rate, frequency span, and oscilloscope 6000 Series Oscilloscope User’s Guide... - Page 4 Since the frequency span goes from ≈ 0 to the Nyquist frequency, the best way to prevent aliasing is to make sure that the frequency span is greater than the frequencies of significant energy present in the input signal. 6000 Series Oscilloscope User’s Guide...
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Page 5: Fft Operation
Span above the maximum available frequency, in which case the displayed spectrum will not take up the whole screen. Press the Span softkey, then turn the Entry knob to set the desired frequency span of the display. 6000 Series Oscilloscope User’s Guide... - Page 6 Pressing the FFT Preset softkey will automatically rescale the waveform and span and center will again automatically track the horizontal sweep speed setting. 6000 Series Oscilloscope User’s Guide...
- Page 7 You can make peak-to-peak, maximum, minimum, and average dB measurements on the FFT waveform. You can also find the frequency value at the first occurrence of the waveform maximum by using the X at Max measurement. 6000 Series Oscilloscope User’s Guide...
- Page 8 While the FFT spectrum is displayed, use the Math and Cursors keys to switch between measurement functions and frequency domain controls in FFT menu. 6000 Series Oscilloscope User’s Guide...
- Page 9 For more information on the use of FFTs please refer to Agilent Application Note 243, ”The Fundamentals of Signal Analysis” at http://cp.literature.agilent.com/litweb/pdf/5952-8898E.pdf. Additional information can be obtained from Chapter 4 of the book “Spectrum and Network Measurements” by Robert A. Witte. 6000 Series Oscilloscope User’s Guide...