The Agilent N5181A (now branded as Keysight Technologies) is a high-performance Signal Generator designed for a variety of RF (Radio Frequency) applications. This device is typically used in communications, radar, aerospace, and other testing and signal simulation tasks.

Key Features:

• Frequency Range:
  • The N5181A covers frequencies from 9 kHz to 6 GHz, which makes it suitable for a wide range of applications.
• Output Power:
  • It can deliver an output power from -130 dBm to +20 dBm, with high accuracy and stability, making it useful in both low and high power signal generation.
• Modulation Capabilities:
  • The signal generator supports a variety of modulation schemes, including AM, FM, PM, pulse modulation, and IQ modulation. This makes it versatile for testing various communication systems and protocols.
• Signal Quality:
  • Offers high phase noise performance and low harmonic distortion, which is important for high-quality signal generation.
• Precision and Stability:
  • Equipped with an internal OCXO (Oven-Controlled Crystal Oscillator) for improved frequency stability, it is highly precise, making it suitable for sensitive testing environments.
• User Interface:
  • The N5181A typically features a color touchscreen interface and a variety of remote control options such as USB, LAN, and GPIB This flexibility allows easy integration into automated test setups.
• Versatility:
  • It supports a wide range of applications, from basic signal generation to complex waveform creation for radar, mobile, and satellite communications testing.

Typical Use Cases:

• Aerospace and Defense: Testing radar systems, communication links, and other systems that require precise signal generation.
• Telecommunications: Testing mobile network equipment, base stations, and other RF components.
• Laboratories and Research: Used for simulations and testing in R&D projects where signal accuracy and flexibility are crucial.

Model Variants:

The N5181A has various models and configurations, including options for enhanced performance, specific modulation types, and different output power levels. It’s available in different frequency options for a more targeted application range.