The Keysight (Agilent/HP) 54645D is a 100-MHz, 2-channel analog, 16-channel digital mixed-signal oscilloscope (MSO). Utilizing Keysight's MegaZoom deep-memory technology, it provides 1 MB of memory per analog channel and 2 MB per digital channel, offering both a highly responsive display and deep memory capture for analyzing complex analog and digital system interactions.

Specifications

General

ParameterValue
InterfacesOptional HP-IB (GPIB), RS-232, or Parallel interfaces available via 54650-series expansion modules
Display7-inch monochrome raster CRT

Vertical System - Analog Channels

ParameterValue
Analog Channels2
Analog Bandwidth100 MHz
Calculated Rise Time3.5 ns
Input CouplingAC, DC, GND
Vertical Resolution8 bits
Maximum Input Voltage400 V (DC + Peak AC) at 1 MΩ
Bandwidth Limit Filter20 MHz

Vertical System - Digital Channels

ParameterValue
Digital Channels16
Digital Probe Input Impedance100 kΩ ±2% || 8 pF
Threshold SelectionsTTL, CMOS, ECL, User-defined
Minimum Input Voltage Swing500 mV peak-to-peak
Maximum Input Voltage (Digital)±40 V

Horizontal System

ParameterValue
Timebase Accuracy±0.01% (±100 ppm)
Timebase ModesMain, Delayed, Roll, XY
Delayed SweepAllows zooming in on any portion of the main sweep with horizontal magnification

Acquisition System

ParameterValue
Maximum Real-Time Sample Rate - Analog200 MSa/s
Maximum Real-Time Sample Rate - Digital400 MSa/s (using 8 channels), 200 MSa/s (using 16 channels)
Maximum Memory Depth - Analog1 MB per channel
Acquisition ModesNormal, Peak Detect, Average
Peak Detection Glitch Width5 ns minimum

Trigger System

ParameterValue
Trigger SourcesChannel 1, Channel 2, Line, Digital Channels (D0-D15)

Triggering

ParameterValue
Pattern TriggeringTrigger on any pattern of High, Low, or Don't Care on any combination of analog and digital channels
State TriggeringTrigger on a pattern clocked by a rising or falling edge on any analog or digital channel

Technology

Mixed Signal Oscilloscope (MSO)

Applications

Mixed-signal design, digital debugging, embedded system testing, general-purpose electronic troubleshooting