5Key Reference
88 N9342C/43C/44C User’s Guide
Y Axis Units
Key access: [AMPTD] > {More} > {Y Axis Units}
Sets the amplitude units.
HiSensitivity
Key access: [AMPTD] > {HiSensitivity}
Press this softkey On to set 0 dB attenuation,
- 50 dBm reference level and turn the pre- amplifier
on. It’s very helpful to observe the low- level signals
with this settings.
Ref Offset
Key access: [AMPTD] > {Ref Offset}
Adds an offset value which ranges from - 327.6 dB
to +327.6 dB, to the displayed reference level.
Reference- level offsets are used when gain or loss
occurs between a device under test and the
analyzer input. Thus, the signal level measured by
the analyzer may be referred to as the level at the
input of an external amplitude conversion device.
When an amplitude offset is entered, its value
appears in the lower left corner of the display.
Amp Correction
Key access: [AMPTD] > {More}
Press this softkey to perform the amplitude
correction. The amplitude correction is used to
compensate the gain/attenuation from
antenna/cable. Please refer to the procedures below
to use the amplitude correction function.
NOTE
Amplitude units are maintained for both logarithmic and linear
modes depending on the Scale Type setting.
NOTE
Reference-level offsets are only entered by using the numeric
keypad. Entering an offset does not affect the trace or the
attenuation value.
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