The Keysight (Agilent) 11708A is a precision RF attenuator that reduces radio frequency signal power with factory-set 30 dB attenuation and ±0.05 dB accuracy at 50 MHz. Built for 50-ohm systems, this Type N connector attenuator delivers exceptional flatness and impedance matching, making it essential for accurate signal level control in RF and microwave test systems.
Technical Specifications
Attenuation Performance
• Nominal attenuation: 30 dB
• Accuracy: ±0.05 dB at 50 MHz
• Temperature coefficient: 0.003 dB per degree C
Frequency and Impedance
• Operating frequency: 50 MHz
• RF impedance: 50 ohms nominal
• VSWR: Less than 1.05 at 50 MHz
Connectors
• RF interface: Type N Male-to-Female
Calibration
NIST-traceable calibration standard. Supplied configured for use with 8480 series power sensors (D-suffix models) at 0 dBm reference level, 50 MHz.
Physical Characteristics
• Dimensions: 36 mm × 44 mm × 133 mm
• Weight: 0.085 kg net
• Origin: Made in USA
– Key Features
• Factory-preset attenuation eliminates field adjustment drift
• Tight accuracy specification (±0.05 dB) minimizes measurement uncertainty
• Low temperature coefficient ensures stable performance across operating environments
• Superior VSWR characteristic preserves signal integrity and minimizes reflections
• Compact form factor integrates into test benches and instrument racks
– Typical Applications
• RF power level conditioning in measurement systems
• Signal attenuation for receiver protection
• Precision power control in 50-ohm test circuits
• Power meter calibration reference applications
– Compatibility & Integration
The 11708A pairs directly with Keysight 8480 Series Power Sensors for calibrated power measurement. Its Type N connectors enable reliable mating with standard RF test equipment, and NIST traceability ensures compliance with metrology and quality assurance protocols.
