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4
Features of the plug&play Driver
Driver functions are divided into
these major categories:
●
Initializing the instrument
●
Setting and enabling frequency
and power
●
Selecting and enabling
modulation types
●
Selecting and enabling
trigger modes
●
Selecting operation modes
●
Managing the list
●
Querying status and errors
Table 1 is a list of instrument
functions available for setting
output functions.
List Modes, Trigger Modes and
Markers
The E6432A plug&play driver
includes a comprehensive online
help system, with complete
documentation that should be used
as the primary reference source for
the instrument. All aspects of using
and programming the E6432A and
the SFP are fully documented. The
help system may be installed and
run on a separate computer without
other modules of the plug&play
driver installed.
In many instances, the systems
programmer has a predefined list
of test frequencies, amplitudes, and
marker events that are defined by the
needs of the test program. Often, sig-
nal sources and measuring receivers
must be coordinated to be at the
same test frequencies simultaneously
to make measurements. Users want
to minimize system time between
measurements, since performing
precision measurements can be
time consuming.
To assist the programmer with
efficient synchronization between
signal source and measuring receiver,
the E6432A implements a list mode
that holds up to 128k list entries.
Each entry may hold a frequency
value, an ALC value, an attenuator
value, and a mode byte that sets
various conditions at that entry
point. For example, the mode byte
has bits for enabling or disabling RF
blanking at that entry point, putting
out a sync marker at that entry, or
enabling long blanking to provide
extra settling time at that entry.
Table 1
Set RF Output (On/Off) HPE6432_SetRfOutputState
Get RF Output (On/Off) HPE6432_GetRfOutputState
Set Freq, ALC, Atten, Bit HPE6432_SetFreqAlcAttenBit
Set Freq, ALC, Atten HPE6432_SetFreqAlcAtten
Get Freq, ALC, Atten HPE6432_GetFreqAlcAtten
Set Frequency HPE6432_SetFrequency
Set ALC, Atten HPE6432_SetAlcAtten
Set Output Power HPE6432_SetOutputPower
Power Search HPE6432_PowerSearch
Set Reference Source (Int/Ext) HPE6432_SetRefSource
Get Reference Source (Int/Ext) HPE6432_GetRefSource
Set Dwell Time HPE6432_SetDwellTime
Get Dwell Time HPE6432_GetDwellTime
Set Settling Time HPE6432_SetSettlingTime
Get Settling Time HPE6432_GetSettlingTime