NF FRA5097, Instruction Manual

Page: 79 / 192

4.1 Overview of measurement and processing
FRA5097 4-5
4.1.4 Display mode
In the display mode setting, representation methods of graphic display for analyzed data in the
LCD screen, i.e., gain (or amplitude) vs. phase, are specified/set.
The display mode is set through the menu [Graph][FORMAT][DISPLAY MODE]. The data
displayed in the graph depend on the analysis mode and display units setting.
The following explains the display mode when the display unit is set to GAIN. For the display
mode when the display unit is set to IMPEDANCE, see 5. Impedance display function.
Combinations other than those shown in Table 4-3 List of display modes are invalid. When an
invalid combination is specified, no graph is displayed, or the previously shown graph is deleted.
Since the data is retained in this case, a graph is displayed when a valid combination is specified.
Table 4-3 List of display modes (1) for analysis mode: (CH1) or (CH2)
[DISPLAY MODE] Display Item
X axis Y1 axis Y2 axis X axis Y1 axis Y2 axis
Remark
logF
F
dBR
logR
R
θ
－
Frequency Amplitude Phase/none
logF
F
θ
－
Frequency Phase
logF
F
logA
log(-A)
logB
log(-B) Frequency
Real amplitude
Imaginary
amplitude
logF
F
A B Frequency Real amplitude
Imaginary
amplitude
Bode chart
θ
dBR
logR
R
－
Phase Amplitude Nichols chart
A B
－
Real
amplitude Imaginary
amplitude
Nyquist diagram
A -B
－
Real
amplitude
Negative
imaginary
amplitude
Cole cole plot
Table 4-3 List of display modes (2) for analysis mode: (CH1/CH2) or (CH2/CH1)
[DISPLAY MODE] Display Item
X axis Y1 axis Y2 axis X axis Y1 axis Y2 axis
Remark
logF
F
dBR
logR
R
θ
－
Frequency Gain Phase/none
logF
F
θ
－
Frequency Phase
logF
F
logA
log(-A)
logB
log(-B) Frequency
Real gain
Imaginary
gain
logF
F
A
B Frequency Real gain
Imaginary
gain
Bode chart
θ
dBR
logR
R
－
Phase Gain Nichols chart
A B
－
Real gain Imaginary gain
Nyquist diagram
A -B
－
Real gain
Negative
imaginary gain
Cole cole plot