Arm And T Rigger; Sampling - Agilent Technologies L4532A Series Service Manual

1
Specifications

Arm and T rigger

Each Arm event gates 1 or more trigger events. Each Trigger event causes acquisition of data into a single
record at the configured sample rate. The number of data records is configurable from 1 to 1024.
Source
IMMediate
EXT ernal
Software
Timer
Channel/ Edge
Channel/ Window
OR
1. EXTernal can be used as an ARM source or a Trigger source, but not both at the same time.
2. OR can not be used if the EXTernal source is being used as an ARM source.

Sampling

Programmable sample rates:
External event output:
T rigger Modes
T rigger reactive
1. Pulse width 1 s (200 ns for records taking <2 s to complete).
2. TTL output pulse can be configured for either rising or falling edge.
3. Latency between Level/ window trigger detection and first (trigger) sample.
8
Arm T rigger
1
2
Event T ypes:
1,2
Output Signal:
Impedance:
Pretrigger
Posttrigger
Timestamp triggered event
Timestamp resolution
T rigger delay
T rigger holdoff
3
T rigger latency
Ext input trigger latency
Ext output trigger latency
Description
T rigger or ARM at INIT time
BNC TTL input edge (selectable rising/ falling edge)
Instrument commands
0.0 s to 3600.0 s with 50 ns resolution
Selectable level, rising/ falling, hysteresis
Selectable high and low levels, leaving/ entering,
hysteresis
Logical OR of channel trigger source and EXT ernal
1 KSa/ s, 2 KSa/ s, 5 KSa/ s, 10 KSa/ s, 20 KSa/ s,
50 KSa/ s, 100 KSa/ s, 200 KSa/ s, 500 KSa/ s,
1 MSa/ s, 2 MSa/ s, 5 MSa/ s, 10 MSa/ s, 20 MSa/ s
T rigger, end-of-record, end-of-acquisition
TTL
25 or 50
0 to record length - 4
–
Record length pretrigger
Elapsed time since INIT , or
Continuous running timestamp
12.5 ns
0 to 3600 s, with 50 ns resolution
0 to 10 s, with 50 ns resolution
12.5 ns
40 ns to 51 ns
4 ns to 21 ns
Agilent L4532A/ 34A Service Guide