SME SOURce:PM
1038.6002.02 3.83 E-13
[:SOURce]:PM1|2:INTernal
The settings for the internal PM generators are effected under this node. For PM1, this is always
LF generator 1, for PM2, always LF generator 2. Here the same hardware is set for FM1, PM1,
AM::INT1 as well as SOURce0, for FM2, PM2 and AM:INT2 and SOURce2 as well. This means
that, e.g., the following commands are coupled with each other and have the same effect:
SOUR:AM:INT2:FREQ
SOUR:FM2:INT:FREQ
SOUR:PM2:INT:FREQ
SOUR2:FREQ:CW
[:SOURce]:PM1|2:INTernal:FREQuency 400 kHz | 1 kHz | 3 kHz | 15 kHz or 0.1 Hz to 500 kHz or 0.1
Hz to 1 MHz
The command sets the modulation frequency. There are different specified ranges 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 valid. With option SM-B2, the specified range from 0.1 Hz to 500 kHz is valid, with
SM-B6 from 0.1 to 1 MHz: *RST value is 1 kHz
Example: :SOUR:PM:INT:FREQ 10kHz
[:SOURce]:PM1|2:SOURce INTernal | EXTernal1 | EXTernal2
The command selects the modulation source. A command without suffix is interpreted like a
command with suffix 1. LF generator 1 is INTernal for PM1, LF generator2 for PM2 (option
SM-B5). Several modulation sources can be active at the same time (see example)
*RST value for PM1: INT
Example: :SOUR:PM:SOUR INT, EXT2 for PM2:EXT2
[:SOURce]:PM1|2:STATe ON | OFF
The command switches the phase modulation selected by the numeric suffix with PM on or off.
Example: :SOUR:PM1:STAT OFF *RST value is OFF
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