3 Using the Oscilloscope
80 Keysight U1610/20A User’s Guide
A unit of U (undefined) will be displayed for Ch1 + Ch2, Ch1 – Ch2, and Ch2 – Ch1
if the channels are set to dissimilar units.
FFT function
Press > to access the FFT function, which converts a
time-domain waveform into a frequency-domain waveform.
Select the source
Press and use the keys to select any analog channel or math
operation as the FFT source. Press again to exit the selection menu.
Adjust the FFT waveform scale or offset
Press / and use the or key to set the scale factor
(dB/division) or offset (dB or dBV) respectively.
Select the window function
Press repeatedly to select a window function to apply to your FFT
input signal based on the signal characteristics and measurement priorities.
– Hanning – used for making accurate frequency measurements or for resolving
two frequencies that are close together.
Ch2 – Ch1 : V or A
Ch1 * Ch2 :
V
2
, A
2
, or W
Ch1/Ch2 : -
Ch2/Ch1 : -
d/dt : V/sec or A/sec
∫dt :
Vsec or Asec
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