Specifications

HP 54645A/D Oscilloscope Digitizing System
Vertical Resolution 8 bits on all settings except 7 bits on < 2 mV/div to
1 mV/div
Horizontal Resolution 500 (displayed points)
Sample Rate 200 MSa/s maximum per channel
Sample Rate Accuracy 0.01%
Peak Detection 5 ns digital
Averages 4, 8, 16, 32, 64, 128, 256, Smoothing—selectable
Memory Depth 1 M maximum
Data Throughput Up to 3.0 million samples per second with sufficient
trigger rate, and not using averaging, time base
vernier, waveform math, or vectors.
HP 54645D Logic Digitizing System
Vertical Resolution 1 bit
Maximum Horizontal Resolution 500 (displayed points)
Sample Period 2.5 ns maximum
Glitch Detection
8 channels
16 channels
5 ns
2.5 ns
5 ns
Memory Depth per Channel 2 M maximum
Sample Period Accuracy 0.01%
Simultaneous Capture
≤8 channels on same pod
> 8 channels
any 2 channels on 2 pods
Available on all channels.
400 MSa/s
200 MSa/s
200 MSa/s
Acquire
All channels off
0-7 on, 8-15 off
8-15 on, 0-7 off
All on
channels 0-7 @ 400 MSa
channels 0-7 @ 400 MSa
channels 8-15 @ 400 MSa
channels 0-15 @ 200 MSa
Data Throughput Up to 1.5 million samples per second with sufficient
trigger rate, and not using time base vernier.
Performance Characteristics
HP 54645A/D Oscilloscope Digitizing System
9-5