Agilent Technologies E6380-90073 Manuale Utente

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216
Chapter 1
 
GPIB Command Dictionary
MEASure subsystem
:AFRequency:SELect <meas cmnd>
:AFRequency:SELect?
These commands set/query which audio frequency measurement is 
displayed on the AF ANALYZER screen.These measurements are also 
displayed on the RF GENERATOR and RF ANALYZER screens. 
Syntax
MEAS:AFR:SEL ‘SINAD’
 ‘Distn’
 ‘SNR’
 ‘AF 
Freq’
 ‘DC 
Level’
MEAS:AFR:SEL? 
!returns the selected measurement
Example
MEAS:AFR:SEL ‘AF Freq’ !selects the AF Frequency measurement 
Screen/field equivalent
MEAS:AFR:SEL selects the audio frequency measurement that will be 
displayed on the AF ANALYZER screen. These measurements are also 
displayed on the RF GENERATOR and RF ANALYZER screens.
:AFRequency:SINAD <meas cmnd>
:AFRequency:SINAD?
These commands set/query the SINAD measurement. SINAD must 
first be selected using the MEAS:AFR:SEL ‘SINAD’ command (see 
:AFR:SEL on page  216).
Syntax
MEAS:AFR:SINAD <meas cmd> !controls the SINAD command
MEAS:AFR:SINAD? 
!returns the measured value
Example
MEAS:AFR:SINAD 
!selects the measurement 
Screen/field equivalent
MEAS:AFR:SINAD? reads the 
SINAD
 measurement field on the AF 
ANALYZER screen. This measurement is also displayed on the RF 
GENERATOR and RF ANALYZER screens.