23
Programming Examples
556
Keysight 8990B Programming Guide
8990B configuration
-> OUTP:MOD ON
//Turns on the modulation signal.
-> OUTP ON
//Turns on the RF output power.
-> SYST:PRES
//Presets the 8990B to its default settings.
-> *OPC?
//Waits until the completion of the current command and
then sends 1 to the output buffer.
-> *CLS
//Clears the status data structures.
-> *IDN?
//Queries the 8990B identification string.
-> CHAN1:FREQ 1G
//Sets the channel 1 frequency to 1 GHz.
-> AUT
//Autoscales the waveform display.
-> *OPC?
//Waits until the completion of the current command and
then sends 1 to the output buffer.
-> TIM:SCAL 1u
//Sets the timebase scale to 1
μ
s/div.
Wait 1 sec for operation to complete.
-> CHAN1:SCAL 20
//Sets the channel 1 scale to 20 dB/div.
-> ACQ:DRO 1
//Turns on the droop measurement mode.
-> ACQ:DRO:SOUR CHAN1
//Sets the droop measurement source to channel 1.
Wait 1 sec for operation to complete.
-> MEAS:DRO?
//Queries the droop measurement result for channel 1.
Содержание 8990B
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