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3 Short-Range Comms & IoT Mode

3.10 Spurious Emissions Measurement

(Note that depending on the measurement, there may be no Auto/Man functionality

on the Mech Atten control.)

In the Single-Attenuator configuration, you control the attenuation with a single

control, as the fixed stage has only two states. In the Dual-Attenuator configuration,

both stages have significant range, so you are given separate control of the

mechanical and electronic attenuator stages.

When you have the Dual-Attenuator configuration, you may still have only a Single-

Attenuator, because unless Option EA3 (the Electronic Attenuator option) is

available, and you purchase it, you will have only the mechanical attenuator.

Full Range Atten

This control and Attenuator Summary only appear in N9041B, when the RF input is

selected, the RF Input Port is set to RF Input2, and the Full Range Attenuator is

installed. The Full Range Attenuator adds a second input attenuator in front of RF

Input2, which enhances the protection and optimizes the performance of the extra

internal mixers used by RF Input2.

Remote Command

[:SENSe]:POWer[:RF]:FRATten <rel_ampl>

[:SENSe]:POWer[:RF]:FRATten?

Example

:POW:FRAT 14

:POW:FRAT?

Notes When you enter an amplitude value that falls between valid values, the value will be incremented to

the next smallest valid value

Dependencies Only appears if input RF is selected, RF Input Port 2 is selected, and the Full Range Attenuator exists

Couplings This value is never changed by any coupling, but other couplings use this value. See Reference Level

and "Mech Atten" on page 1639 command descriptions

Preset 20dB

State Saved Saved in instrument state

Min 0dB

Max Only valid values are 0, 6, 14, 20dB

Annotation When the Input is RF, and the Input Port is RF Input 2, and the Full Range Attenuator is installed:

1366 Short Range Comms & IoT Mode User's &Programmer's Reference

Keysight x-series Instruction Manual

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