Specifications

HP 54645A/D Oscilloscope Trigger System
Sources Channels 1 and 2, line, and EXT (on HP 54645A only)
Range (Internal) ± 6 div
Edges Either rising or falling
Sensitivity
< 10 mV/div, DC to 25 MHz
< 10 mV/div, 25 MHz to 100 MHz
> 10 mV/div, DC to 25 MHz
> 10 mV/div, 25 MHz to 100 MHz
≤ 1 div or 2 mV
≤ 1.5 div or 3 mV
≤ .35 div or 3.5 mV
≤ 1 div or 10 mV
Coupling AC, DC, HF reject (~50 kHz), LF reject (~50 kHz), noise
reject
Maximum Input 400 V (DC + peak AC)
Range (External)
Sensitivity
Coupling
± 18 V
dc to 25 MHz, < 50 mv
25 MHz to 100 MHz, < 100 mV
DC, HF reject (~50 kHz), noise reject
Modes Auto, Auto level, Triggered (normal), Basic TV (Line,
Field), pattern/logic (on HP 54645D only).
Holdoff Time ~200 ns to ~25 seconds
Performance Characteristics
HP 54645A/D Oscilloscope Trigger System
9-7