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Start Sweep
Trigger Ext
Function Group
Menu Map
Description
Programming Codes
See Also
SWEEP
7
When this softkey is selected, the synthesizer waits for an external
hardware trigger to trigger a sweep. Connect the trigger pulse to
TRIGGER INPUT. It is activated on a TTL rising edge. An asterisk
next to the key label indicates that this feature is active.
SCPI: TRIGger:SOURce EXT
Analyzer:
T3
(CONT),
[m),
Sweep Menu
Step Control
Master
Function Group
FREQUENCY
Menu Map
2
Description
This
softkey
lets you designate the synthesizer as the master control
in a dual synthesizer measurement system. A dual synthesizer
system (two-tone measurement system) facilitates accurate device
characterizations by providing one
timebase
reference for both
sources. This technique reduces instabilities from temperature or line
voltage fluctuations, or drift.
The synthesizers can be operated in either ramp sweep or step
sweep modes for both fixed offset and swept offset measurements.
Figure S-l shows the connections required for a two-tone system.
S-64
Operating and Programming Reference
HP 8360
User’s Handbook