The Agilent/Keysight 8746B is a 30 dB coaxial fixed attenuator engineered for precise RF signal attenuation across DC to 18 GHz. This 50 Ω device delivers excellent attenuation flatness and low VSWR (1.3) to minimize signal distortion in high-frequency applications. The 8746B handles continuous average power input of 25 W, with peak power ratings of 500 W (DC to 5.8 GHz) and 125 W (5.8 to 18 GHz), supported by large heat-dissipating fins for sustained maximum-power operation. Attenuation accuracy of ±1 dB at 18 GHz ensures reliable performance across the full frequency range.
– Technical Specifications
• Attenuation: 30 dB
• Frequency Range: DC to 18 GHz
• Characteristic Impedance: 50 Ω
• VSWR: 1.3
• Attenuation Accuracy: ±1 dB at 18 GHz
• Average Power Handling: 25 W
• Peak Power Handling: 500 W (DC to 5.8 GHz); 125 W (5.8 to 18 GHz)
– Key Features
• Excellent attenuation flatness minimizes signal distortion across the operating band
• Low VSWR maintains system impedance matching and signal integrity
• Thermally engineered heat-dissipating fin structure sustains continuous full-power operation without thermal throttling
• Wideband performance from DC through 18 GHz simplifies integration into diverse RF and microwave systems
– Typical Applications
• Signal leveling and attenuation in RF test and measurement systems
• Precision calibration circuits requiring stable, known attenuation
• Signal conditioning and power level control in high-frequency networks
• Component testing where signal power reduction is critical
– Compatibility & Integration
The 8746B integrates into standard 50 Ω RF systems. Connector type compatibility should be confirmed with system requirements.
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