User Manual

MEASUREMENT
65
Suitable for....
Frequency measurement on
periodic waveforms
Rectangular
Frequency resolution
Very good
Amplitude resolution
Bad
Suitable for....
Single-shot phenomenon
(this mode is the same as
having no window at all)
Blackman
Frequency resolution
Bad
Amplitude resolution
Very good
Suitable for....
Amplitude measurement on
periodic waveforms
(Note)
For more complete measures and functions in the
frequency domain of a signal, please also refer to
the Spectrum Analyzer section of the MDO-2000A
series on page 210.
FFT Operation
Panel Operation
1. Press the Math key.
MATH
M
2. Press FFT from the bottom menu.
3. Select the Source from the side
menu.
Range
CH1~2, Ref~4
4. Press the Vertical Units key from
the side menu to select the vertical
units used.
Range
Linear RMS, dBV RMS