B+K precision 4075B User Manual page 72

FM modulation
The following commands control the FM modulation:
FM STATe
This command activates or deactivates FM modulation:
Arguments
Type:
Command Type:
Setting
Syntax:
Examples:
Query
Syntax:
Response:
FM DEViation
This command sets the FM modulation deviation
Arguments
Type:
Units:
Range:
Rounding:
Command Type:
Setting
Syntax:
Examples:
Query
Syntax:
Examples:
Response:
Note: The carrier frequency and deviation cannot exceed the maximum frequency limited by the
instrument.
FM SHAPe
This command selects the FM modulating waveform shape
1.800.544.2843
Boolean
Setting or Query
[:SOURce:]FM[:STATe]<ws>ON|1|OFF|0
FM:STAT ON
FM OFF
[:SOURce:]FM[:STATe]?
0|1
Numeric.
MHz, KHz, Hz (default)
Dependent on the carrier frequency.
Fmax = carrier frequency
Fmin = 10 uHz
The value is rounded to 4 digits.
Setting or Query
[:SOURce]:FM:DEViation<ws><frequency>[units]
[:SOURce]:FM:DEViation<ws>MINimum|MAXimum
FM:DEV 5KHZ
FM:DEV 5E3
FM:DEV MAXIMUM
FM:DEV MIN
[:SOURce]:FM:DEViation?[<ws>MAXimum|MINimum]
FM:DEV?
FM:DEV? MAX
NR3
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