Weinschel fixed coaxial attenuators from the early 1950s era represent precision RF signal conditioning components designed for measurement and systems integration. These bidirectional attenuators deliver stable, repeatable attenuation across broad frequency ranges with minimal insertion loss. Built for durability in demanding environments, they feature gold-plated beryllium copper contacts and stainless steel construction to withstand temperature extremes and maintain performance over extended service life.

Technical Specifications

• Type: Fixed coaxial attenuator
• Nominal Impedance: 50 ohms
• Frequency Range: DC to 4 GHz
• Attenuation Values: Multiple options including 1, 3, 6, 10, 20, and 30 dB
• Average Power Handling: 5 W to 50 W (linearly de-rated with temperature)
• Peak Power: Up to 1 kW (pulsed applications)
• Connectors: Type N (male/female)
• Attenuation Accuracy: Within ±0.5 dB (dependent on value and frequency)
• VSWR: Less than 1.20:1 across much of the frequency range
• Operating Temperature: −55 °C to +125 °C
• Temperature Coefficient: Less than 0.0004 dB/dB/°C
• Power Coefficient: Less than 0.005 dB/dB/W
• Insertion Loss: Minimal beyond specified attenuation, typically less than 0.5 dB

– Key Features

• Bidirectional operation for flexible signal flow
• Stainless steel body with gold-plated beryllium copper female contacts
• Compact design optimized for power handling efficiency
• Stable performance across wide temperature range
• Low temperature and power coefficients ensure predictable behavior in field conditions

– Typical Applications

• RF and microwave test and measurement systems
• Signal conditioning in laboratory and field installations
• Power attenuation in coaxial transmission systems up to 4 GHz

– Compatibility & Integration

Type N connectors enable direct integration into standard RF coaxial systems. The 50-ohm nominal impedance aligns with industry-standard test equipment and transmission line architectures, ensuring seamless system compatibility.