Agilent Technologies ESG series, User And Programming Manual

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Real-Time I/Q Baseband Generator User’s and Programming Guide 6-9
ESG Family Signal Generators Theory of Operation
Options UN8 and 202 Digital Modulation Input/Output Relationships
Digital Modulation Input/Output Relationships
NOTE With Option 1EM, all connectors are located on the rear panel.
The baseband generator’s clock can be internally or externally supplied, and the external
data clock can be set to a normal bit clock or a symbol clock. Combinations of these
selections will affect the inputs required and the outputs available as shown in the
following table.
Table 6-3. Data Pattern Mode
Front Panel Settings Front Panel Inputs Rear Panel Outputs
Data BBG
Data
CLK Ext
Data
Clock
DATA
CLK
SYMB
SYNC
DATA
DATA
CLK
OUT
SYMB
SYNC
OUT
DATA
OUT
Int Int NA NA NA NA Internal
Bit Clock Internal
Symbol
Clock Internally
Generated
Data
Int Ext Normal User’s
Bit
Clock NA NA Internal
Bit Clock Internal
Symbol
Clock Internally
Generated
Data
Int Ext Symbol User’s
Symbol
Clock NA NA Internal
Bit Clock Internal
Symbol
Clock Internally
Generated
Data
Ext Int NA NA User’s
Symbol
Clock
a
a. The front panel SYMBOL SYNC and DATA inputs must be clocked by the
internal bit clock output from the rear panel DATA CLK OUT.
User’s
Ext
Data
a
Internal
Bit Clock User’s
Symbol
Clock User’s
External
Data
Ext Ext Normal User’s
Bit
Clock User’s
Symbol
Clock User’s
Ext
Data Internal
Bit Clock User’s
Symbol
Clock User’s
External
Data
Ext Ext Symbol User’s
Symbol
Clock
b
b. When the user’s symbol clock is supplied to the DATA CLOCK input, it must also
be supplied to the SYMBOL SYNC input by means of a tee.
User’s
Symbol
Clock
b
User’s
Ext
Data Internal
Bit Clock User’s
Symbol
Clock User’s
External
Data