Specifications

Specifications

Table 1 281A/B Specfications

Model

Frequency

Fits Waveguide Size

Equivalent

Coaxial

Length

Weight

 

Range (GHz)1

Nom. OD(in.)

EIA

Flange

Connector2

(in)

(mm)

(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-73

1

26

3/16

0. 1

1.Maximum Reflection Coefficient: 0.11 (1.25 SWR) over entire frequency range.

2.Typical maximum power handling capability for the Type N and APC-7 connectors is 200 W (refer to caution below).

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.

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.

 

 

2281A/B Adapters Operating and Service Manual

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Agilent Technologies 281 A service manual Specifications, 281A/B Specfications

281 A, B specifications

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