The Keysight N2276A is a 3-slot microwave multiplexer module engineered for high-performance signal switching across DC to 26.5 GHz. Configured as dual 1×6 or dual 1×4 multiplexers, it delivers insertion loss below 0.36 dB with exceptional isolation exceeding 100 dB at 12 GHz. The module maintains VSWR below 1.20 and offers repeatability better than 0.03 dB over 5 million switching cycles. Built for demanding RF test environments, the N2276A integrates into Keysight 3499A/C mainframes and controls external microwave attenuators, making it ideal for cellular, wireless, and RFIC characterization.
Technical Specifications
• Frequency Range: DC to 26.5 GHz
• Insertion Loss: < 0.36 dB (0.3 dB + 0.015 dB per GHz)
• VSWR: 100 dB @ 12 GHz
• Repeatability: < 0.03 dB over 5 million cycles @ 25 °C
• Switching Time: 25 ms
• Switch Life: 5 million cycles
• Connectors: SMA front panel
– Key Features
• Dual multiplexer configurations: 1×6 (Option 206) or 1×4 (Option 204)
• Flat frequency response with predictable insertion loss scaling across band
• High isolation for signal purity in multi-port switching applications
• Extended mechanical life rated to 5 million operations
– Typical Applications
• Cellular phone and mobile radio testing
• Cordless phone characterization
• Cellular base station measurement
• Broadband wireless transceiver validation
• RFIC and high-speed digital circuit testing
– Compatibility & Integration
The N2276A occupies 3 slots in Keysight 3499A/C mainframes and provides control capability for two external microwave attenuators such as the Keysight 84904, 84906, 84907, 84904K, and 84904L models.
