HP / Agilent 54750A High-Bandwidth Digitizing Oscilloscope Mainframe

The HP/Agilent 54750A is a modular digitizing oscilloscope mainframe engineered for signal analysis across demanding measurement applications. This platform supports up to four electrical channels via plug-in modules and enables Time Domain Reflectometry (TDR) measurements, including differential TDR with staggered rising edges. Built for precision analysis of low-level, high-speed signals, the 54750A delivers stable timebase performance and exceptional signal fidelity essential for jitter characterization and parametric measurements.

Technical Specifications Bandwidth & Channel Architecture

Selectable bandwidth: 20 GHz / 50 GHz (high mode) or 12.4 GHz / 26.5 GHz (low mode)

Up to four electrical channels via plug-in module expansion

Low-noise specifications for precision low-signal measurements Time Base

Accuracy: ±0.4%

Range: 10 ps/Division to 1 s/Division

Timing resolution and stability optimized for jitter analysis Vertical System

Scale factors: 1 mV/Division to 100 mV/Division

Noise floor: ~25 µV (low bandwidth mode) or ~50 µV (high bandwidth mode)

Averaging reduces noise by 1/(n)^½ Data Acquisition

Maximum record length: 4k points per channel

Maximum digitizing rate: 40 kHz (non-trigger-limited)

Data transfer rate: 550 kBytes/s typical via HP-IB (IEEE 488.2)

Measurement throughput: Up to 25 automatic measurements per second Measurement & Analysis

Over 50 built-in parametric measurements

Time and voltage/power histogram capability

Automatic parametric measurement with user-defined test boundary comparison

Differential TDR with independent step generators for differential and common-mode viewing

Key Features

Modular plug-in architecture for customized configurations

Fast acquisition and processing speed for both manual and automated test operation

Stable timebase accuracy and resolution supporting detailed jitter characterization

Low-noise vertical system enabling precise low-level signal analysis

Interfaces & Connectivity

HP-IB (IEEE 488.2) for remote programming and data transfer

Compatible plug-in modules: 54751A, 54752A, 54752B, 54753A, 54754A, 83481A, 83482A, 83485A, 83485B, 83486A, 83487A

Module extender (HP 11898A) extends plug-in reach to 1.5 meters from mainframe

Typical Applications High-speed signal characterization, jitter and timing analysis, TDR/differential TDR measurements, automated test systems, and parametric signal analysis in communications, semiconductor, and advanced electronics testing.