Weinschel WA46

The Weinschel WA46 is a fixed coaxial attenuator engineered for precise signal level control across DC to 18 GHz. Built to MIL-DTL-3933 specifications, it delivers stable attenuation with minimal frequency and temperature drift, making it suitable for test, measurement, telecommunications, and aerospace applications where reliability is critical.

– Technical Specifications

• Frequency Range: DC to 18 GHz
• Nominal Impedance: 50 ohms
• Attenuation Values: 3, 6, 10, 20, 30, and 40 dB (custom values available)
• Attenuation Accuracy:
– 3–10 dB: ±0.50 dB
– 11–20 dB: ±0.75 dB
– 21–40 dB: ±1.00 dB
• Maximum Average Power: 25 W at 25°C (derates linearly to 2.5 W at 125°C)
• Peak Power: 1 kW (5 µsec pulse, 1.25% duty cycle)
• Power Coefficient: < 0.0006 dB/dB/W
• Temperature Range: −55°C to +125°C
• Temperature Coefficient: < 0.0004 dB/dB/°C
• VSWR (Maximum):
– DC to 8.0 GHz: 1.20:1
– 8.0 to 12.4 GHz: 1.25:1
– 12.4 to 18.0 GHz: 1.35:1

– Key Features

• Bidirectional power operation
• Type N, SMA, or TNC stainless steel connectors (MIL-STD-348A)
• Black aluminum alloy body with gold-plated BeCu or passivated stainless steel contacts
• Low intermodulation option (−LIM) available for 10, 20, 30, and 40 dB models
• RoHS compliant
• Insertion loss and VSWR calibration data available

– Physical Characteristics

• Weight: 0.11 kg with Type N connectors; 0.08 kg with SMA connectors
• Length: 83.8 mm (Type N); 73.7 mm (SMA)
• Diameter: 38.1 mm

– Typical Applications

Precise attenuation in test and measurement setups, signal conditioning in telecommunications infrastructure, and high-reliability aerospace systems requiring thermal stability and minimal intermodulation.