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Pulse modulation
You can use these commands to switch the pulse modulation on and off when it is part of the
modulation mode. When ON is selected the carrier is modulated by the logic level applied to the
PULSE INPUT socket.
Pulse ON Logic level between 3.5 and 5 V
Pulse OFF Logic level between 0 and 1.0 V
Note: the
:PULSE:ON and :PULSE:OFF commands are invalid when used with Option 11
(fast pulse).
:PULSE? always returns :PULSE:ON when used with Option 11.
PULSE
[not used alone]
:ON
Turn Pulse modulation ON
:OFF
Turn Pulse modulation OFF
Data type :
None
Allowed suffices :
None
Default suffix :
None
Examples: PULSE:ON
PULSE:OFF
PULSE?
Prepares message containing information on Pulse Modulation setting in
the following format:
:PULSE:<status>
where: <status> is a program mnemonic indicating whether the
pulse modulation is ON or OFF
Examples:
:PULSE:ON
:PULSE:OFF
Examples:
:PULSE:ON
:PULSE:OFF
To enable pulse modulation:
Select any modulation mode together with pulse: for example,
:MODE AM,PULSE.
Turn pulse modulation on —
:PULSE:ON (this command is valid for instruments that do not
contain Option 11).
Turn the AM off by sending
:AM:OFF. This disables the AM but leaves pulse modulation
enabled.
To disable pulse modulation:
Turn pulse modulation off —
:PULSE:OFF (this command is valid for instruments that do not
contain Option 11) or set a new modulation mode without pulse (for example,
:MODE:AM). This
command is valid for all instruments.