Instrument Function
R&S
®
SMC100A
130Operating Manual 1411.4060.32 ─ 09
Access:
► Select "RF > config... > RF Level > Level/Attenuator".
The offset-free level, level offset and level limit are set in the top section of the dia-
log. The attenuator mode is set in the "Attenuator Settings" section.
In section "User Variation", you can determine the step size for adjusting the level
with the rotary knob (with "Variation Active On").
The power-on behavior of the instrument and the level display in the display
header are set in the "Power-On / EMF Settings" section (see Chapter 5.3.5.3,
"Power-On/EMF Settings", on page 133).
The remote commands required to define the settings are described in Chap-
ter 7.13.11, "SOURce:POWer Subsystem", on page 312.
Level Settings
The offset-free level, attenuation mode, level offset and level limit are set in the top
section of the dialog.
RF Mode
Selects the level mode for signal output.
This function allows you, to optimize the RF output signal for applications, where
improved harmonic suppression or a low Signal-to-Noise ratio is required.
Note: The modes "Low Distortion" and "Low Noise", for improving harmonic suppres-
sion or the S/N ratio require that an attenuator is fitted.
"Normal"
The generator provides an RF output signal with high signal to noise
ratio as well as low distortion, according to the data sheet.
"LOW Noise"
This setting forces the generator to optimize the signal to noise ratio.
RF Block
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