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8325 Bird Fixed Attenuator

Used

The 8325 is a 500 MHz Fixed Attenuator from Bird. Attenuators are a type of radio frequency (RF) test equipment that’s useful during RF design. When an engineer needs to reduce (attenuate) the level of an electronic signal, he or she uses an attenuator. Attenuation can protect circuit stages from receiving signal levels that are too high. RF attenuators may be fixed, switched, or variable, depending on their capabilities and applications.

Additional Features:

  • Power Rating: 500 W continuous
  • VSWR and Frequency Range: Input 1.1 max. DC - 500 MHz
  • Product Type: Oil-Cooled
  • Impedance: 50 ohms nominal
  • Coolant: 0.9 gal. (3.4 liters) Refined Mineral Oil
  • Attenuation: 30 dB ± 1/2 dB, DC ‐ 500 MHz
  • Calibration Frequencies (to ± 0.2 dB): 30, 100, 200, 300, 400, and 500 MHz
  • Accuracy: ±0.5 dB (Calibration Data supplied for 30, 100, 200, 300, 400, and 500 MHz which is accurate to ±0.2 dB
  • Connector: N, (F)
  • Operating Temperature: -40 to +45°C (-40 to +113°F)
  • Easy to Use
  • Rugged, reliability provides years of trouble free use
  • Operating Position: Horizontal only
  • Finish: Gray Powder Coat
  • Dimensions: 17-1/2" x 5-15/16" x 8-1/2" (L x W x H); 445 x 151 x 216 mm
  • Weight: 25 lbs. (11 kg)
The Bird 8325 500 Watt Oil-Cooled Attenuator is a valuable and reliable accessory for reducing power levels and VSWR, for isolating components under test, for harmonic signal analysis, and as comparison standards. Bird's RF attenuators are world renowned for their high-quality, robust construction and conservative power ratings.
The Bird Model 8325 includes an expansion tank and a vent plug located on the output end at the top. When power is applied to the attenuator, the coolant expands into the expansion tank, as the air in the expansion tank is compressed it is allowed to escape through the vent plug.
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