Specifications

HP 54645A Oscilloscope Trigger System
Trigger System Source, Mode/Coupling, Slope/Glitch
Holdoff, Level
Channels 1 and 2, Line, EXT (no trigger out)
Either rising or falling (not both)
Enhanced TV/Video Trigger, Basic TV (Line, Field)
Glitch Triggering
Minimum duration time
Maximum duration time
< and > duration, in range, out of range,
8 ns
100 seconds
HP 54645D Mixed-Signal Oscilloscope Trigger System
Trigger System Edge, Pattern, Advancd, Mode/Coupling
Holdoff, Analog Level
Channels A1 and A2, and D0-D15 (no trigger out)
Edge Trigger Edge on any one source, not multiple sources.
Oscilloscope channels: rising or falling edge.
Digital channels: rising or falling edge.
Pattern Trigger High, Low, Don’t Care on all sources; optionally
combined with simple edge on one source. The
simple edge is ANDed with highs, lows, and don’t
cares. If no edge is present, trigger is on entrance to
pattern.
Advanced Trigger Glitch, Adv Pattern, and TV types
Support Basic TV (Line, Field)
Glitch Triggering
Minimum duration time
Maximum duration time
< and > duration, in range, out of range,
8 ns
100 seconds
Advanced Pattern 2 patterns and 2 edge terms.
Logic operators AND, OR, Then
Pattern entered, exited
Edge occurs
Pattern duration <, >, range
Performance Characteristics
HP 54645A Oscilloscope Trigger System
9-8