The Agilent/Keysight 11664D is a precision detector head for scalar network analyzers, engineered to measure RF signal levels across the Ka-band. Operating from 26.5 GHz to 40 GHz with input power handling from -50 dBm to +10 dBm, this detector employs AC detection technology requiring 27.8 kHz squarewave amplitude modulation of the RF input signal. The 11664D integrates with HP swept amplitude and scalar network analyzer platforms to enable simultaneous transmission and reflection measurements. Its waveguide RF input connector accommodates the frequency range while maintaining measurement precision across the dynamic range.
– Technical Specifications
• Frequency Range: 26.5 GHz to 40 GHz
• Input Power Range: -50 dBm to +10 dBm
• Detection Method: AC detection with 27.8 kHz squarewave amplitude modulation requirement
• RF Input Connector: Waveguide
– Key Features
• AC detection architecture requires precise modulation control to maintain signal integrity
• Dual-measurement capability supports both forward and reverse power characterization when deployed with directional couplers
• Straightforward integration with existing HP 8755C and HP 8756A instrument platforms
• Supplied accessories include instrument case, 3/32 inch hex balldriver, flange cover, and cable markers
– Typical Applications
• Transmission and reflection coefficient measurement in Ka-band networks
• Swept amplitude response characterization using scalar analysis methods
• Component testing and validation in high-frequency RF systems
– Compatibility & Integration
Designed specifically for deployment with the HP 8755C Swept Amplitude Analyzer and HP 8756A Scalar Network Analyzer. Multiple detector heads enable simultaneous measurement of incident and reflected power when configured with appropriate directional coupling networks. Proper adherence to modulation specifications and signal conditioning procedures is essential to prevent analyzer input stage damage.
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