Low Band - Keysight x-series User Reference Manual

10 Monitor Spectrum Measurement
AMPTD Y Scale
Example
Readback
Initial S/W Revision

Low Band

Sets the internal preamp to use only the low band.
The frequency range of the installed (optional) low-band preamp is displayed in square brackets on the
Low Band key label.
Key Path
Example
Readback
Initial S/W Revision
Full Range
Sets the internal preamp to use its full range. The low band (0–3.6 GHz or 0–3GHz, depending on the
model) is supplied by the low band preamp and the frequencies above low band are supplied by the high
band preamp.
The frequency range of the installed (optional) preamp is displayed in square brackets on the Full Range
key label. If the high band option is not installed the Full Range key does not appear.
Key Path
Example
Readback
Initial S/W Revision
Y Axis Unit
Display the menu keys that enable you to change the vertical (Y) axis amplitude unit. .For details about this
key, see Y Axis Unit@32002.
Internal Preamp
Accesses a menu of keys that control the internal preamps. Turning on the preamp gives a better noise
figure, but a poorer TOI to noise floor dynamic range. You can optimize this setting for your particular
measurement.
742
:POW:GAIN OFF
Off
Prior to A.02.00
AMPTD Y Scale, Internal Preamp
:POW:GAIN ON
:POW:GAIN:BAND LOW
Low Band
Prior to A.02.00
AMPTD Y Scale, Internal Preamp
:POW:GAIN ON
:POW:GAIN:BAND FULL
Full Range
Prior to A.02.00
EMI Receiver Mode Reference