Rohde & Schwarz SMC100A, Руководство по эксплуатации

Страница: 138 / 363

Instrument Function
R&S
®
SMC100A
121 Operating Manual 1411.4060.32 ─ 04
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 5.3.7.2, "Power-On/EMF Set-
tings" , on page 124).
Level Settings
The offset-free level, attenuation mode, level offset and level limit are set in the top section
of the menu.
RF mode – RF Level
Selects performance preferences of the RF output signal regarding wideband noise and
distortion.
"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.
"LOW Distor-
tion" The generator reduces distortion (harmonics) of the RF signal.
SCPI command:
​
[:
​
SOURce<hw>]:
​
POWer:
​
LMODe
​
on page 279
Amplitude - RF Level
Sets the RF level of the RF output connector.
The level entered and displayed here corresponds to the level at the RF output, i.e. any
offset entry is not taken into consideration.
Note: The SCPI command
​
[:
​
SOURce<hw>]:
​
POWer[:
​
LEVel][:
​
IMMediate][:
​
AMPLitude]
​
sets the level of the "Level" display, i.e. the level containing offset.
SCPI command:
​
[:
​
SOURce<hw>]:
​
POWer:
​
POWer
​
on page 280
Limit - RF Level
Sets the level limit.
RF Signal - RF Block