Keysight / Agilent / HP 8080A SO4 Pulse Generator Modular Mainframe

The Keysight/Agilent/HP 8080A SO4 is a modular mainframe pulse generator engineered for precise characterization of high-speed digital circuits and systems. This platform generates simultaneous 1 GHz clock signals and NRZ data with complementary streams up to 64 bits, delivering sub-nanosecond timing accuracy across sub-nanosecond ICs, fiber optics, and nucleonics applications.

Technical Specifications Signal Generation & Timing

Simultaneous 1 GHz clock and simulated NRZ data generation

Complementary data patterns up to 64 bits

Repetition rate: 100 Hz to 1 GHz

Transition times (10% to 90%): <300 ps

Interchannel delay: ±9.9 ns, adjustable in 0.1 ns steps Output Performance (50-ohm load, per channel)

Amplitude: 0.6 V to 1.2 Vpp

Offset: ±1.2 V

Output impedance: 50 ohms

Selectable polarity and Normal/Complement formats

Pulse width modes: RZ (square wave) and NRZ Cycle Modes & Control

Operating modes: Int, Ext/Manual Width, Gate, Manual

Extended cycle support: Ext/Man Single, Gated Cycle, Auto Cycle

Channel B divider: Selectable 0.5 f for NRZ simulation Environmental & Power

Operating temperature: 0°C to 55°C

Power: 115/230 Vrms (±10%, −22%), 48–66 Hz, 200 VA max

Mainframe dimensions: 133 mm H × 426 mm W × 422 mm D

Weight (mainframe + full modules): 9.4 kg net

Key Features

Modular architecture accepts plug-in rate generators, delay generators, and output amplifiers

Compatible modules: HP 8081A, 8083A, 8084A, 8091A, 8092A, 8093A

Each output drives one 8080A module

Factory systemized configurations available; users may integrate custom systems with supplied Systemizing Guide (publication 5952-9546)

Single- and multi-channel pulse generator (Series S) and data generator (Series D) configurations

Typical Applications

Sub-nanosecond IC characterization

High-speed digital circuit validation

Fiber optic system testing

Precision timing and pulse generation requiring fast edge transitions