The Keysight J7204A is a 4-channel attenuation control unit that provides precise signal routing and conditioning for multi-device test configurations. Operating from DC to 6 GHz with attenuation range of 0 to 121 dB in 1 dB steps, this unit delivers exceptional repeatability of 0.03 dB per section across 5 million cycles. The J7204A excels in receiver sensitivity testing and design validation of wireless components across aerospace, defense, and commercial applications.
Technical Specifications
• Channels: 4-channel attenuation path
• Frequency Range: DC to 6 GHz
• Attenuation Range: 0 to 121 dB
• Step Size: 1 dB increments
• Insertion Loss Repeatability: 0.03 dB per section (5 million cycles)
• Attenuation Accuracy and Flatness: Excellent
• Form Factor: Standard full rack, 2-unit-high
• Interfaces: LAN and GPIB
• Control: Remote triggering and flexible command execution via LAN and GPIB
• Programming Support: Multiple programming language support
– Key Features
• Four independent attenuation paths enable simultaneous multi-DUT testing
• Wide dynamic range supports both high-level and low-level signal conditioning
• Exceptional insertion loss repeatability minimizes measurement uncertainty
• Dual communication interfaces allow integration into automated test environments
• Compact 2-unit-high rack form factor optimizes system footprint
– Typical Applications
• Multi-channel receiver sensitivity characterization
• Design validation and manufacturing test of multi-technology wireless devices
• Signal attenuation and conditioning in multi-DUT test benches
• Aerospace and defense component qualification
• Production test of wireless communication modules and RF subsystems
– Compatibility & Integration
The J7204A integrates with the Keysight E1852A Microwave Transition Analyzer for comprehensive microwave component testing. It is part of the J7204/5 Series, which includes the 5-channel J7205A and higher-frequency variants (J7204B and J7205B) extending to 18 GHz.
