The Narda 3045B is a fixed attenuator engineered for precise signal attenuation across RF and microwave frequencies. It delivers stable, repeatable performance in test and measurement systems where accurate signal control is critical. The unit combines low insertion loss with controlled attenuation accuracy across multiple frequency bands, making it suitable for system integration and bench-top applications requiring minimal signal distortion.
Technical Specifications
Frequency & Attenuation
• Operating frequency: 0.92 GHz to 12.4 GHz (standard range); extended models to 18.0 GHz
• Attenuation values: 3 dB, 6 dB, 10 dB, 20 dB, 30 dB; higher values to 60 dB available
• Attenuation accuracy (30 dB): ±0.75 dB max (DC–6.0 GHz); ±1.0 dB max (6.0–12.4 GHz); ±1.5 dB max (12.4–18.0 GHz)
• Attenuation accuracy (10 dB & 20 dB): ±0.25 dB to ±0.5 dB depending on frequency band
• Frequency sensitivity: ±0.25 dB typical (7–12.4 GHz range)
Return Loss & Power Handling
• VSWR: 1.25:1 max (DC–6.0 GHz); 1.35:1 max (6.0–12.4 GHz)
• Insertion loss: 0.35 dB typical (7–12.4 GHz with Type N connectors)
• Average power: 20 W to 25 W at 25°C (N-type models); higher ratings to 50 W and 100 W available
• Peak power: Up to 500 W or 2 kW maximum
– Key Features
• Type N connectors (male/female configurations standard)
• Flat attenuation response across operating bandwidth
• Designed to MIL-A-3933 environmental requirements
• Compact form factor with typical weight of 0.40 kg
• Multiple attenuation values for flexible system design
– Typical Applications
• RF and microwave test systems
• Signal level control and optimization
• System gain balancing and measurement setups
• Laboratory and production test environments
– Compatibility & Integration
The 3045B integrates directly into RF and microwave systems via Type N connectors. Suitable for environments meeting MIL-A-3933 specifications. Alternative connector types available upon request.
