Bird - The RF Experts
300-A Series

300 Watt, Bi-Directional RF Attenuators


300-A Series, 300 Watt RF Power 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-quality, robust construction and conservative power ratings.

Features
  • Self cooling design, needs no cooling plate.
  • Frequencies up to 2.4 GHz.
  • Fully shielded against production of extraneous radiation.
  • Attenuator require no AC power.
  • Rugged construction.
  • Broadband operation.
  • Other attenuation values may be available upon request.
  • Models to cover all LTE frequencies.

Model Nomenclature
 

-
-
-
-
Power Ratings
 
Product Type
 
Connector Gender
 
Connectors**
 
Attenuation Value
300 Watt
 
A
 
M/F = Male/Female
F/F = Female/Female
 
N = N
 
03 = 3 dB
06 = 6 dB
10 = 10 dB
20 = 20 dB
30 = 30 dB

 

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

product specifications:
Item No
300-A Series
Item Name
300 Watt Bi-Directional RF Attenuators
Power Rating
300 W
Connector
N
Frequency Range and VSWR
DC to 1 GHz @ 1.10:1
1 to 2.4 GHz @ 1.25:1
Coolant Method
Dry, Convection Cooled
Impedance Ω
50 Ohm
Operating Position
Any
Temperature
-40 to 40 °C (-40 to 104 °F)
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 in x 5.4 in x 10.9 in (186 mm x 138 mm x 277 mm)
Weight
12.0 lb (5.5 kg)
Finish
Black Anodized Aluminum