Bird - The RF Experts
300-A Series
300-A Series, 300 Watt, Bi-Directional Attenuators
300-A Series

300-A Series, 300 Watt Bi-Directional RF Attenuators are a valuable and reliable accessory for reducing power levels, for isolating components under test, for harmonic signal analysis, and as comparison standards. They are world renowned for their high-quailty, robust construction and conservative power ratings.

  • Self cooling design, needs no cooling plate.
  • Fully shielded against production of extraneous radiation.
  • Rugged construction.
  • Broadband operation.
  • Other attenuation values available upon request.
  • Models to cover all LTE frequencies.
Model Nomenclature
  • Power Ratings (W): 300 Watt
  • Product Type: A Series - Attenuator
  • Connector Gender: M/F - Male/Female, F/F - Female/Female
  • Connectors**: B - BNC, N - N, T - TNC, E - IEC 7/16
  • Attentuation Value (dB): 03 - 3 dB, 06 - 6 dB, 10 - 10 dB, 20 - 20 dB,30 - 30dB

Example: 300-A-MFN-03 (300 Watt, A Series, Male/Female N Connector, 03 dB)

**Call or Request Information below for custom connector options not shown

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300-A Series, 300 Watt, Bi-Directional Attenuators
300-A Series
product specifications:
Item No
300-A Series
Item Name
300 Watt Bi-Directional RF Attenuators
Power Rating
300 W
Connector
BNC, 7/16 DIN, N, TNC
VSWR and Frequency Range
1.10:1 from DC to 1 GHz
1.25:1 from 1 to 2.4 GHz
Coolant Method
Dry, Convection Cooled
Impedance Ω
50 Ohm
Operating Position
Any
Ambient Temperature
-40°C to 40°C
PIM
-110 dBc Min.
AC Power
None
Humidity
95% non-condensing
Standard Attenuation Values
3, 6, 10, 20, 30 dB
Dimensions-- L x W x H
7.3” x 5.4” x 10.9”
186 x 138 x 277 mm
Weight
12.0 lbs.
5.5 kg
Finish
Black Anodized Aluminum