The Keysight J7201C is a programmable attenuation control unit engineered for precise signal-level management across RF and microwave frequencies. Operating from DC to 26.5 GHz, it delivers 0 to 101 dB attenuation in 1 dB steps with insertion loss repeatability better than 0.03 dB per section over 5 million cycles. The unit executes attenuation sweeps with user-defined timing (50 ms to 10 seconds in 50 ms increments), step counts (1 to 1,000 cycles), and relative attenuation commands. LXI Class C compliance enables remote control via GPIB, USB, and LAN interfaces, with full-featured web-based graphical control. Housed in a compact half-rack, 2-unit high form factor, the J7201C integrates directly into benchtop R&D setups and automated test equipment architectures for wireless communication, aerospace, and defense applications.
Technical Specifications
• Frequency Range: DC to 26.5 GHz
• Attenuation Range: 0 to 101 dB
• Attenuation Step Size: 1 dB
• Insertion Loss Repeatability: Less than 0.03 dB per section, typical (5 million cycles)
• Operating Temperature: 0 °C to +50 °C
• Storage Temperature: -40 °C to +70 °C
• Operating Humidity: 95% RH at 40 °C decreasing linearly to 45% RH at 50 °C, non-condensing, 5 days cyclic
• Storage Humidity: 90% RH at 65 °C, 25 hours
• Altitude: Operating to 4,572 meters (15,000 feet)
• Form Factor: Half-rack, 2-unit high
– Key Features
• Attenuation sweep function with configurable dwell time and cycle count (1 to 1,000 cycles)
• Sweep time adjustment from 50 ms to 10 seconds in 50 ms increments
• Relative attenuation step control referenced to any user-defined value
• Bidirectional sweep capability (0 to 101 dB, 101 to 0 dB, or continuous cycling)
• LXI Class C compliance for standardized remote integration
– Remote Control & Integration
• GPIB, USB, and LAN connectivity
• Web interface with full graphical remote control
• Direct integration with signal generators for power measurement applications
– Typical Applications
R&D and manufacturing test environments in wireless communication, aerospace, and defense sectors requiring dynamic signal attenuation control and automated measurement sequences.
