The Keysight (Agilent/HP) 54503A is a 500 MHz, 4-channel digitizing oscilloscope designed for repetitive and single-shot waveform measurements. Part of the legendary HP 54500 series, it features an 8-bit vertical resolution, a maximum real-time sample rate of 20 MSa/s, and selectable 1 MΩ or 50 Ω input impedance on all four channels.

Specifications

General

ParameterValue
InterfacesHP-IB (IEEE-488) interface with full system programmability

Vertical System

ParameterValue
Number of Channels4
Analog Bandwidth (-3 dB)500 MHz (on all channels)
Calculated Rise Time< 700 ps
Vertical Resolution8 bits (up to 12 bits with averaging)
Vertical Sensitivity Range1 mV/div to 5 V/div
Input Impedance1 MΩ (parallel with approx 7 pF) or 50 Ω (selectable)
Maximum Input Voltage (1 MΩ)±250 V (DC + peak AC)
Maximum Input Voltage (50 Ω)5 V rms

Acquisition System

ParameterValue
Maximum Real-Time Sample Rate20 MSa/s
Single-Shot Bandwidth2 MHz

Trigger System

ParameterValue
Trigger SourcesChannels 1, 2, 3, 4, Line

Environmental and Safety

ParameterValue
Operating AltitudeUp to 4,600 m (15,000 ft)

Inputs & Outputs

ParameterValue
Input Capacitance (1 MΩ)~7 pF

Power

ParameterValue
Maximum Power Consumption350 VA

Technology

Digitizing Oscilloscope

Applications

Electronic circuit test, high-frequency signal analysis, and laboratory measurement