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

















