|
Tel
631-231-8400
Fax
631-434-1116
E-mail
sales@arra.com
Assemblies, Special
Bends
Bulkhead Feed-Thrus
Couplers
Flexible Waveguide
Phase Shifters
Pressure Windows
Pressurization Sections
Shorts
Straight Sections
Switches
Tees
Terminations
Twists
|
|
Waveguide
Fixed Attenuators
|
High Power
General
Specifications
| RF Power |
40 Watts
average |
| VSWR |
1.15
max
1.20 for WR42 |
| Attenuation |
3, 6,
10, 20 dB
(other values on request) |
| Atten
Accuracy |
±
0.3 dB at cal freq |
| Material |
Aluminum |
| Flange
Type |
Cover
Standard |
| Finish |
ARRA
Blue per
MIL-C-22750 |
| Form
Factor |
7253 |
Options
| 1. |
For
brass material, add B to basic model number. |
| 2. |
For
cover/choke flange, add -1. |
| 3. |
For
choke/choke flange, add -2. |
| 4. |
For
CPR or other flange, precede model number with flange type.
Ex: CPR137G-485 |
| Note: |
These attenuators
are calibrated at the frequency designated below. Other frequency
calibrations are available; contact factory. |
|
|
|
|
| * |
To complete model
number, add value of attenuation in dB. Ex: 90-485-10 |
Freq
Range (GHz) |
Waveguide
Size |
Calibration
Freq (GHz) |
Length
(In) |
Model No.* |
| 2.60-3.95 |
WR284 |
3.0 |
11.00 |
284-485- |
| 3.30-4.90 |
WR229 |
4.1 |
10.00 |
229-485- |
| 3.95-5.85 |
WR187 |
4.9 |
9.38 |
187-485- |
| 4.90-7.05 |
WR159 |
6.0 |
9.00 |
159-485- |
| 5.85-8.20 |
WR137 |
6.8 |
8.63 |
137-485- |
| 7.05-10.0 |
WR112 |
8.6 |
5.31 |
112-485- |
| 7.60-11.0 |
WR102 |
9.0 |
5.00 |
102-485- |
| 8.20-12.4 |
WR90 |
9.6 |
4.50 |
90-485- |
| 10.0-15.0 |
WR75 |
12.5 |
4.50 |
75-485- |
| 12.4-18.0 |
WR62 |
15.0 |
4.00 |
62-485- |
| 18.0-26.5 |
WR42 |
22.0 |
4.00 |
42-485- |
|
