The Narda 30421A is a fixed RF attenuator designed to provide precise signal attenuation across broad frequency ranges in RF and microwave systems. This device delivers accurate, repeatable performance in test and measurement setups, communication systems, and calibration channels. Precision stainless steel connectors ensure durability and long-term reliability.
– Technical Specifications
Electrical Performance
• Frequency Range: DC to 40 GHz
• Attenuation Values: 0 dB to 69 dB (standard values include 3 dB, 6 dB, 10 dB, 20 dB, and 30 dB; custom values available)
• Attenuation Accuracy: ±0.2 dB to ±0.5 dB (depending on attenuation value and frequency)
• VSWR: Typically 1.15 to 1.30 maximum across operating range
• Insertion Loss: Less than 1 dB
• Frequency Response: Flat across operating bandwidth
• Average Power Handling: Up to 10 W (certain configurations up to 150 W)
• Peak Power Handling: Up to 5 kW
Connectors
• Types: SMA, 2.92 mm, Type N, and 3.5 mm precision connectors
• Material: Stainless steel
– Key Features
• Low VSWR for minimal signal reflection
• Flat frequency response across DC to 40 GHz bandwidth
• High power handling capability (peak to 5 kW)
• Precision attenuation accuracy to ±0.2 dB
• Compact, lightweight design
• Stainless steel construction for extended operational life
– Typical Applications
• Test and measurement environments
• Communication system signal conditioning
• Calibration channel level establishment
• Impedance matching stages
• Buffer stage implementation
– Compatibility & Integration
The 30421A integrates into RF systems via standard precision connectors (SMA, Type N, 2.92 mm, or 3.5 mm). Small form factor enables straightforward integration into test racks and system assemblies.
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