The Keysight 11852B is a precision minimum loss pad engineered for impedance conversion between 50 Ω and 75 Ω systems. This Type-N connector adapter delivers nominal 5.7 dB attenuation across DC to 3.0 GHz, maintaining return loss exceeding 27 dB while handling input power up to 250 mW (+24 dBm). The component minimizes insertion loss and signal reflections, making it essential for RF measurement systems requiring impedance matching and controlled attenuation without compromising signal integrity.
Technical Specifications
• Frequency Range: DC to 3.0 GHz
• Nominal Attenuation: 5.7 dB
• Nominal Insertion Loss: 5.7 dB
• Return Loss: >27 dB
• Maximum Input Power: 250 mW (+24 dBm)
• Impedance Conversion: 50 Ω ↔ 75 Ω
• Electrical Length: 50.2 mm (1.98 in)
• Overall Length: 60.1 mm (2.37 in)
• Diameter: 22.0 mm (0.87 in)
– Key Features
• Type-N connector interfaces with dual configuration options
• Standard configuration: 50 Ω female to 75 Ω male
• Option 004: 50 Ω male to 75 Ω female
• Bidirectional impedance conversion capability
• Stable attenuation performance across full frequency band
• Compact form factor suited for test rack integration
– Typical Applications
• Interfacing 50 Ω and 75 Ω RF systems
• Signal attenuation in measurement chains
• Impedance matching for reflection reduction
• Broadband RF and microwave testing (DC to 3.0 GHz)
– Compatibility & Integration
Connector Type-N interfaces support direct integration into systems using matching 50 Ω or 75 Ω connectors. Maintain connectors free of contamination and metallic particles per Keysight Technologies’ Microwave Connector Care Manual to prevent damage and ensure performance stability. Confirm proper gender and impedance matching before mating to avoid connector degradation.


















