The Weinschel 973 is a 50-ohm RF attenuator engineered for precise signal level control across DC to 18 GHz. With 75 W average power handling and insertion loss of 0.5 to 1.0 dB, it delivers stable attenuation performance in RF and microwave systems. The aluminum alloy body with passivated stainless steel connectors and gold-plated beryllium copper contacts ensures reliability across the operating temperature range of −55°C to +125°C.
Technical Specifications
• Nominal Impedance: 50 ohms
• Frequency Range: DC to 18 GHz
• Average Power Rating: 75 W
• Insertion Loss: 0.5 to 1.0 dB
• VSWR (DC to 4.0 GHz): 1.25:1 maximum
• VSWR (4.0 to 8.0 GHz): 1.45:1 maximum
• Power Coefficient: Less than 0.005 dB/dB/Watt
• Temperature Coefficient: Less than 0.0004 dB/dB/°C
• Operating Temperature: −55°C to +125°C
– Key Features
• High repeatability through refined resistor manufacturing
• Type N and SMA connector options, customer-selectable at order
• MIL-STD-348A and MIL-PRF-39012 connector compliance
• Gold-plated beryllium copper contacts for superior conductivity and longevity
• Passivated stainless steel connectors resist corrosion in demanding environments
– Environmental & Construction
Aluminum alloy body design minimizes weight while maintaining mechanical integrity. Passivated stainless steel connectors with non-destructive mating interfaces simplify integration into existing systems. Environmental compliance meets MIL-DTL-3933 specifications.
– Compatibility & Integration
Designed and tested to MIL-I-45208, MIL-Q-9858, and MIL-C-45662 standards. Connector interface dimensions comply with MIL-PRF-39012 and MIL-STD-348. Available with Type N or SMA connectors to match system requirements.
