Keysight / Agilent 81133A Pulse Pattern Generator

The Keysight 81133A Pulse Pattern Generator is designed for advanced hardware-based PRBS and memory-based pattern generation, ideal for testing high-speed digital interfaces. With basic test patterns tailored for Infiniband, PCI-Express, and Serial ATA, this generator accommodates a variety of applications and requirements.

Key Features

• High-speed applications with low intrinsic jitter for accurate signal testing
• Fast rise times (< 60 ps) enhance data signal characterization
• Robust 12 Mbit pattern memory ensures reliable long data stream handling, perfect for disk drive tests
• Ability to distort clock and data signals for comprehensive signal integrity tests
• Variable cross-point and jitter insertion capabilities simulate real-world conditions
• User-friendly graphical interface for easy access to critical parameters
• Control through GPIB, LAN, and USB 2.0 for ease of integration
• SMA connectors facilitate differential outputs for maximum flexibility

Specifications

Internal Clock Generation

• Period Range: 298.5 ps - 66.6 ns
• Frequency Range: 15 MHz - 3.35 GHz
• Period Resolution: 0.001 ps (6 digits best case)
• Frequency Resolution: 1 Hz
• Accuracy: 50 ppm

Jitter Characteristics

• Random Jitter (Clock Mode)
• Total Jitter (Data Mode)

Channel Output Timing

• Channels: 1
• Transition Times: 10%-90% < 90 ps; 20%-80% < 60 ps
• Delay Variation: -5 ns to 230 ns; Delay Resolution: 1 ps
• Phase: -6000° to +279000° with 0.01° resolution
• Skew Between Differential Outputs: < 20 ps nominal
• Width Range: 100 ps to (period - 100 ps); Width Accuracy: ±40 ps

Channel Output Levels

• Amplitude: 50 mV to 2.00 V; Level Window: -2.00 to +3.00 V
• Level Resolution: 10 mV; Level Accuracy: 2% of setting + 20 mV
• Impedance: 50 Ω nominal; Overshoot, Ringing: < 10% + 10 mV
• Short Circuit Current: -80 mA < I_sc ≤ 120 mA nominal
• Normal / Complement: Selectable

Data Generation

• Memory Depth: 12 Mbit extended memory, 8 Kbit per channel
• Supported Data Formats: RZ, NRZ, RI

Trigger Output

• Amplitude: 50 mV to 2.00 V; Fixed Duty Cycle: 50% nominal
• Transition Times (20% to 80% of amplitude): < 100 ps
• Maximum External Voltage: -2.00 V to +3.00 V

Delay Control Input

• Interface: DC-coupled; Input Levels for full Modulation Range: +500 mV to +2.5 V
• Delay Modulation Range: ±250 ps with selectable modulation frequency (0 Hz - 200 MHz)

Clock Input

• Interface: AC-coupled with optional DC termination; Minimum Amplitude: 300 mV
• Frequency Measurement: Yes; Frequency Measurement Accuracy: 50 ppm
• Period Range: 299 ps – 66.6 ns with 6 digits resolution

For professionals seeking precision in pulse pattern generation, the Keysight 81133A delivers unmatched performance and versatility, essential for today’s fast-paced digital testing environments.