Keysight 8490D/010 Coaxial Fixed Attenuator
The Keysight 8490D/010 is a high-performance coaxial fixed attenuator engineered for precision signal conditioning and measurement across a wide frequency range. With 3 dB attenuation and DC to 50 GHz coverage, this RF attenuator delivers exceptional accuracy and stability, making it an essential component for engineers and technicians in test and measurement, telecommunications, and aerospace applications.
Key Features & Highlights
- Frequency Range: DC to 50 GHz – supports a broad spectrum of high-frequency applications.
- Attenuation: 3 dB fixed attenuation with ±0.1 dB typical accuracy for reliable signal control.
- Low VSWR: ≤1.25:1 typical ensures minimal signal reflection and excellent impedance matching.
- Low Insertion Loss: ≤0.2 dB typical preserves signal integrity and minimizes power loss.
- Power Handling: 200 W (CW) – robust for high-power test setups.
- Connector Type: 3.5 mm (f) – compatible with standard RF test systems.
- Durable Construction: Operating temperature range of -55°C to +85°C for reliability in harsh environments.
Applications
The Keysight 8490D/010 is ideal for signal conditioning, power measurement, system calibration, and general RF testing. Its precision and wide bandwidth make it suitable for use in laboratories, production test floors, and field service, ensuring accurate and repeatable measurements in a variety of industrial and research settings.





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