SME SOURce:AM
1038.6002.02 3.31 E-133
[:SOURce]:AM:INTernal1|2:FREQuency 400 Hz | 1 kHz | 3 kHz | 15 kHz or
0.1 Hz to 500 kHz (option SM-B2)or
0.1 Hz to 1MHz (option SM-B6)
The command sets the modulation frequency. Only certain specified ranges are permissible
depending on the equipment of the instrument.
If neither SM-B2 nor SM-B6 are fitted, only INT1 is permissible and values 400 Hz, 1 kHz, 3 kHz
and 15 kHz are true. With option SM-B2, the specified range from 0.1 Hz to 500 kHz is true, with
SM-B6, from 0.1 Hz to 1 MHz. *RST value is 1 kHz
Example: :SOUR:AM:INT:FREQ 15kHz
[:SOURce]:AM:POLarity NORMal | INVerted
The command selects the polarity of the AM.
NORMal A positive modulation voltage generates a higher output level.
INVerted The AM polarity is inverted.
Example: :SOUR:AM:POL NORM *RST value is NORMal
[:SOURce]:AM:SOURce EXT | INT1|2 | EXT, INT1|2
The command selects the modulation source. INT1 is LF generator 1, INT2 LF generator 2
(option SM-B2 or SM-B6). An external and an internal modulation source can be indicated at the
same time (see example). *RST value is INT1
Example: :SOUR:AM:SOUR INT1, EXT
[:SOURce]:AM:STATe ON | OFF
The command switches amplitude modulation on or off. *RST value is OFF
Example: :SOUR:AM:STAT ON
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