The Agilent/Keysight 3550B is a portable test set engineered for transmission line and system characterization in multi-channel communication environments. It measures continuity and attenuation distortion with integrated wide-range oscillator and voltmeter capabilities. The instrument includes a patch panel configured for rapid impedance matching to 135, 600, and 900 ohm lines, enabling efficient lineup and maintenance operations across diverse network configurations.
– Technical Specifications
The 3550B combines three core functional elements: a wide-range oscillator, precision voltmeter, and switchable impedance matching patch panel. This architecture supports direct measurement of transmission line behavior and system-level characteristics without requiring external matching networks.
– Key Features
• Integrated wide-range oscillator for signal generation across transmission line test frequencies
• Precision voltmeter for attenuation and continuity measurement
• Patch panel with fixed impedance terminations (135, 600, 900 ohms) for rapid line matching
• Portable form factor suited for field service and commissioning work
• Single instrument consolidates oscillator, measurement, and matching functions
– Typical Applications
The 3550B addresses lineup and maintenance tasks in multi-channel communication systems. Primary use cases include transmission line verification, continuity testing, and attenuation distortion characterization during system deployment and periodic maintenance intervals.
– Compatibility & Integration
The 3550B integrates directly with 135, 600, and 900 ohm transmission line systems via its internal patch panel. No external impedance matching networks are required for these standard line impedances.
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