Remote Control Commands
R&S
®
SMBV100B
821User Manual 1178.4460.02 ─ 03
Example: Set up of LO coupling and LO level adjustment with three
Rohde & Schwarz signal generators
This example shows the command sequences for coupling the oscillator signal of three
signal generators connected according to the setup on Figure 12-3.
Connect the instruments in a daisy-chain regarding the LO signal:
●
Connect the LO Out of the first generator with LO In of the second
●
Connect the LO Out of the second generator with LO In of the third.
The frequency is assumed to be 5 GHz.
Figure 12-3: Set up of LO coupling with three Rohde
&
Schwarz signal generators
Signal generator#1 = One-path instrument, uses its internal oscillator signal.
Signal generator#1 = Two-paths instrument; receives the LO signal from the first instrument and assigns it to
both paths
Signal generator#3 = One-path instrument; receives the LO signal from the second instrument
// ******************************************************************
// Address and reset the first instrument
// ******************************************************************
*RST; *CLS
// ******************************************************************
// Configure the oscillator signal of the first instrument
// ******************************************************************
SOURce:FREQuency 5 GHz
SOURce:FREQuency:LOSCillator:MODe INTernal
SOURce:FREQuency:LOSCillator:OUTPut:STATe ON
SOURce:FREQuency:LOSCillator:OUTPut:FREQuency?
// Response: 1000000000
// ******************************************************************
// Address and reset the second instrument, e.g. a R&S SMW
// ******************************************************************
*RST; *CLS
// ******************************************************************
// Configure the oscillator signal of the second instrument
// ******************************************************************
SOURce1:FREQuency 5 GHz
SOURce1:FREQuency:LOSCillator:MODe ECOupled
SOURce1:FREQuency:LOSCillator:OUTPut:STATe ON
SOURce Subsystem
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