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2 281A/B Adapters Operating and Service Manual
Specifications
Specifications
Table 1 281A/B Specfications
CAUTION The power that can be handled will be a function of the size of the center
conductor. The majority of the heat flow will be via conduction. The weak
point is the coax portion. The waveguide portion is capable of higher power.
These numbers are assuming an ambient temperature of 25 degrees
centigrade and an altitude of sea level. Higher ambient temperatures and
altitude would degrade power-handling capability.
Model Frequency
Range (GHz)
1
1. Maximum Reflection Coefficient: 0.11 (1.25 SWR) over entire frequency range.
Fits Waveguide Size
Nom. OD(in.) EIA
Equivalent
Flange
Coaxial
Connector
2
2. Typical maximum power handling capability for the Type N and APC-7 connectors is 200 W (refer to caution below).
Length
(in) (mm)
Weight
(lb) (kg)
X281A 8.20 to 12.40 1 x 1/2 WR90 UG135/U N female 1-7/16 37 1/4 0. 1
P281B 12.40 to 18.00 0.702 -0.391 WR62 UG419/U APC-7
3
3. Option 013 furnished with stainless steel Type N female connector.
Option 012 furnished with Type N male connector.
Option 006 adds additional alignment holes.
1 26 3/16 0. 1