Arra 6813-20A

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The Arra 6813-20 is a continuously variable attenuator. Most models of this flat with frequency line of miniature attenuators weigh 2 or 3 ounces and have been qualified for all types of military applications. They provide the utmost in wear-free performance and high reliability because the attenuation is achieved in a non-contacting manner.

General specifications for the series:

• RF Power: 5 W average, 3 kW peak
• Connectors: SMA Female standard
• Temperature Range: -55 °C to +85 °C
• Resettability: 0.1 dB or better
• Material
  • Body: Aluminum
  • Conn: Stainless Steel
• Finish: ARRA Blue per MlL-C-22750
• Mounting Provisions: All forms have tapped or thru holes

6813-20 specifications:

• Frequency range: 8 - 12.4 GHz
• Attenuation range: 20 dB
• Attenuation vs frequency: ±1.0 dB
• Maximum VSWR: 1.5 (1.7 above 11 GHz)
• Insertion loss: 0.5 maximum dB