Pulse Characteristics - Agilent Technologies X Series User Manual

Pulse Characteristics

NOTE
When using very narrow pulses that are below the signal generator's ALC pulse width
specification, or leveled pulses with an unusually long duty cycle, it is often useful to turn
ALC off (see
Pulse Source
Internal free run pulse train with
Square
50% duty cycle.
Free Run
Internal free run pulse train
(default)
Triggered Internal pulse train
Adjustable Two internal pulse trains for each
Doublet trigger event.
Trigger Two internal pulse trains for each
Doublet trigger event.
Gated Internal gated pulse train
External pulse signal at the rear
External
panel Pulse connector
Pulse Train Internal pulse train
a
All delays, widths, and periods have a resolution of 10 ns.
b
A signal at the rear panel pulse connector must be held high for at least 20 ns to trigger an internally generated pulse.
Agilent X-Series Signal Generators User's Guide
page 119).
Type
Determined by
user defined rate.
a
Period Width & Delay
User Defined User Defined
⎯
User Defined
User Defined:
First pulse is relative to the
rising edge of trigger signal.
⎯
Second pulse is relative to the
rising edge of first pulse.
See Figure 6- 2 on page 132
The first pulse follows the
trigger signal.
⎯
Second pulse is user defined.
See Figure 6- 3 on page 132
⎯
User Defined
⎯
User Defined:
User Defined
See Figure 6- 4 on page 135
Using Pulse Modulation (Option UNW or 320)
Pulse Characteristics
a
Uses Trigger Event
⎯
⎯
b,
⎯
⎯
✓
✓
✓
✓
⎯
✓
131