R3131 Spectrum Analyzer Operation Manual
3.3.3 CAL Key (Calibration)
3.3.3 CAL Key (Calibration)
This section describes the menu displayed when the SHIFT key and the 7 (CAL) key are pressed.
Cal All
Total Gain
Each Item
IF Step Amp
RBW Switch
Log Linear
AMPTD MAG
PBW
Freq Corr ON/OFF
Cal Corr ON/OFF
Cal Sig Level ON/OFF
Executes all calibration routines.
Measures the absolute error using a resolution bandwidth of 300
kHz, and the calibration signal output of both -15dBm and ldB/
DIV.
CAUTION Do not perform a PRESET operation (SHIFT, PRE-
SET) while calibrating the spectrum analyzer because
this will erase all calibration data.
Changes the display to the Each Item menu.
Measures the IF Step AMP switching error and calibrates it.
Measures the switching error for the IF Filter resolution band-
width and calibrates it.
Measures the linearity of the ordinate axis at a range of 10 dB/
DIV to 1 dB/DIV on the LOG scale and calibrates it.
Measures the switching error at a range of 10 dB/DIV to 1 dB/
DIV on the LOG scale and calibrates it.
Measures PBW (noise power bandwidth) at a resolution band-
width range of 1 kHz to 1 MHz and calibrates it.
Togg les the frequency correction function on or off.
ON :Frequency characteristics are corrected.
OFF :Turns the frequency correction function off.
Tog gl es the calibration factor on or off.
ON: The calibration factor is used.
OFF: The calibration factor is not used.
Togg les the calibration signal output level on or off.
ON: Connects the calibration signal to the input part of the
spectrum analyzer. The calibration signal output level
can be set.
OFF: Disconnects the calibration signal from the input part of
the spectrum analyzer.
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