Frequency Response Analysis 18
Keysight InfiniiVision 1200 X-Series and EDUX1052A/G Oscilloscopes User's Guide 201
To adjust the chart's scale, offset, and frequency range for the gain and phase
plots, press the Chart softkey. In the FRA Chart menu, these softkeys let you make
adjustments:
• Select: — Press this softkey or turn the Entry knob to select the chart parameters
to adjust:
• Gain — use the Gain Scale and Gain Offset softkeys to adjust the gain plot's
vertical scale and offset.
• Phase — use the Phase Scale and Phase Offset softkeys to adjust the phase
plot's vertical scale and offset.
• Frequency — use the Start Freq and Stop Freq softkeys to adjust the chart's
starting and ending frequency values.
To toggle between coarse, fine, and log scale decade adjustment, press this
softkey again or push the Entry knob. The "~" character appears in the
softkey label when fine adjustment is enabled, and the "10
X
" characters
appear when decade adjustment is enabled.
Because the chart's ending frequency value must be greater than the
starting frequency value, increasing the starting value can also cause the
ending value to be increased. Likewise, decreasing the ending value can also
cause the starting value to be decreased.
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