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Timing of Generated Signals Using the Agilent 81133A/81134A Pulse Generator
Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 79
Data Pattern
The following figure shows the typical timing for a data pattern.
Characteristics • A data pattern can be either generated continuously or can be
started manually or by the arming source.
The data length is selectable in the range 32 … 8192 bits (in steps of
32).
• The instrument mode is Pulse/Pattern.
• The pattern mode is Data.
• You can select between RZ, NRZ and R1 signal modes for each
output.
In R1 and RZ modes, the pulse width can be selected as either width
or duty cycle.
• You can select between normal and inverted signals for each output.
• For the clock source, you can select from:
– Internal (YIG Oscillator)
– External signal at Clock Input
– External 10 MHz Reference at Clock Input
For more information about the clock sources, see “Clock Sources”
on page 73.
• The Trigger Out marks every start of the repetitive data pattern, as
long as no frequency divider has been applied.
See also “Trigger Out” on page 75.
Output
R1
Output
RZ
Output
NRZ
11 0
1
1
1
01 1
Data Pattern of 32 bits
1
Trigger Out