
User Manual
California Instruments
4.6.1.2Analyzing FFT data
The data displays available for FFT data allow you to scroll through the entire data set. For table
displays, the UP and DOWN arrow keys may be used to scroll through the table data vertically.
The knob has no function while in this display mode. The triangle on the left edge of the LCD
screen points to the current position in the table.
Figure 4-62: Scrolling through tabular FFT data
Bar chart format FFT data displays show the same data in a graphical format. While the
amplitude information is shown graphically, phase data is only displayed in numeric form to the
left for the currently selected harmonic component. The display can show up to 24 components
at a time. The triangle at the bottom of the display shows the currently selected component for
which numeric data is shown on the left. This data includes the harmonic number (DC through
50), the absolute or relative amplitude (depending on selected VIEW mode) and the phase angle
with respect to the fundamental. The knob can be used to scroll through the display horizontally.
The UP and DOWN cursor keys have no effect in this display mode.
Counter
Clock
wise
Clock
wise
INCR
DECR
Figure 4-63: Scrolling through bar chart FFT data
114
i Series II / NSG 1007 II / iM Series II
Arrow indicator
can be moved up
or down using
UP/DOWN
cursor keys.
Arrow indicator
points to
harmonic for
which readout is
shown on the
left. Can be
moved with
knob.
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Страница 131: ...User Manual California Instruments Figure 5 73 Power Source Module Block Diagram NSG 1007 Series II 131 ...
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Страница 164: ...User Manual California Instruments Figure 9 84 Voltage Modulation 164 i Series II NSG 1007 II iM Series II ...
Страница 204: ...User Manual California Instruments Figure 9 114 NSG 1007 15 208 CTS EOS3 LR3 204 i Series II NSG 1007 II iM Series II ...
Страница 205: ...User Manual California Instruments Figure 9 115 NSG 1007 15 208 3 EOS3 NSG 1007 Series II 205 ...
Страница 223: ...User Manual California Instruments Figure 9 118 Example Connections With INA 2151 NSG 1007 Series II 223 ...