The Agilent/Keysight 8493Y is a precision coaxial fixed attenuator engineered for accurate signal conditioning in RF and microwave test environments. It delivers repeatable attenuation with excellent stability across extended frequency ranges, making it essential for demanding measurement setups, system integration, and laboratory applications requiring reliable signal control.
– Technical Specifications
Frequency Range: DC to 12.4 GHz (standard); DC to 26.5 GHz available; resonance-free performance to 34 GHz with APC-3.5 connectors.
Attenuation Values: Nominal selections from 3 dB, 6 dB, and 10 dB through 40 dB, 50 dB, or 60 dB.
Impedance: 50 Ohm.
Maximum SWR: 1.1 (1 to 8 GHz), 1.15 (1 to 12.4 GHz), 1.25 (1 to 26.5 GHz).
Power Handling: 2 W average input; 100 W peak input.
Resistive Element: Thin-film tantalum nitride on sapphire substrate.
Calibration: Each unit includes swept-frequency testing across its operating range with calibration points documented on attached nameplate chart.
– Key Features
• Precision thin-film construction for high repeatability across connection cycles
• Excellent frequency stability under varying operational conditions
• Available with multiple connector types: 3.5 mm (APC-3.5), SMA, or Type-N
• APC-3.5 connectors deliver superior accuracy and repeatability; Type-N stainless steel for extended wear life; SMA heat-treated beryllium copper for enhanced durability
• Compact, lightweight design suitable for benchtop and integrated system deployment
– Typical Applications
• RF and microwave measurement systems
• Signal conditioning in test setups
• System integration requiring precise attenuation control
• Laboratory environments demanding repeatable performance
– Compatibility & Integration
Connector options enable integration with standard 50 Ohm RF systems. Type-N connectors comply with MIL-C-71 and MIL-C-39012 specifications. APC-3.5 variant provides enhanced performance to 34 GHz for high-frequency applications.
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