The Agilent/Keysight 33321K is a programmable step attenuator engineered for precise RF and microwave signal level control across DC to 26.5 GHz. It delivers up to 70 dB of attenuation in 10 dB increments with switching times of 20 ms maximum, supporting average RF input power to 1 W and peak power to 100 W. Built for automated test equipment, signal monitoring, and communication systems requiring high repeatability and long operational life.
– Technical Specifications
Frequency & Attenuation
• Frequency Range: DC to 26.5 GHz
• Attenuation Range: Up to 70 dB
• Attenuation Steps: 10 dB increments
• Insertion Loss (0 dB setting): Approximately 0.4 dB + 0.07 dB/GHz
• Maximum SWR: Approximately 1.35
Power & Control
• Maximum RF Input Power: 1 W average, 100 W peak
• Control Voltage: 15 VDC
• Control Interface: TTL input for programmable operation
• Switching Time: Maximum 20 ms (including contact settling)
Mechanical & Environmental
• Connector Type: 3.5 mm, SMA-compatible
• Repeatability: 0.01 dB typical
• Operating Temperature: −20 to +75 °C
• Non-Operating Temperature: −55 to +85 °C
• Operating Altitude: Up to 15,000 ft
• Shock (Operating): 10 gs, 6 ms on six sides
• Shock (Non-Operating): 500 gs, 1.8 ms in six directions
• Vibration: 5 gs, 34–2000 Hz
• Humidity Cycling: 5 days at 40 °C, 95% RH with condensation
– Key Features
• Precision gold-plated leaf springs rated for over 5 million cycles
• Compact footprint: manual versions under 1.5 square inches of panel area; programmable models only slightly larger
• High repeatability at 0.01 dB enables accurate, consistent attenuation across temperature and usage cycles
– Typical Applications
• Microwave sweepers and spectrum analyzers
• Network analyzer signal control
• Receiver testing and validation
• Automated test equipment (ATE) environments
– Compatibility & Integration
TTL control interface supports direct integration into automated measurement systems. 3.5 mm connectors provide compatibility with standard RF infrastructure.
Reviews
There are no reviews yet.