Precision Waveguide offers a series of waveguide shims. Their typical VSWR is less than 1.05 over their full frequency range. These units are furnished with an iridite finish. All units are also available with a Nickel finish over aluminum for dissimilar material waveguide attachments. Standard configuration is Cover/Cover an .250 thick.

SPECIFICATIONS

MODEL #

WAVEGUIDE EIA

FREQUENCY RANGE(GHz)

Min. Thickness
CPR Style
(Inches)

Min. Thickness
Choke/Choke
(Inches)

Min. Thickness
Cover/Choke
(Inches)

70284

WR-284

2.60 - 3.95

0.250

1.875

1.00

70229

WR-229

3.30 - 4.90

0.250

N/A

N/A

70187

WR-187

3.95 - 5.85

0.250

1.375

0.750

70159

WR-159

4.90 - 7.05

0.250

N/A

N/A

70137

WR-137

5.85 - 8.20

0.250

1.00

0.625

70112

WR-112

7.05 - 10.00

0.250

0.875

0.500

70090

WR-90

8.20 - 12.40

0.250

0.750

0.437

70075

WR-75

10.00 - 15.00

N/A

0.625

0.375

70062

WR-62

12.40 - 18.00

N/A

0.625

0.375

70042

WR-42

18.00 - 26.50

N/A

0.500

0.375

 ORDERING INFORMATION:

Model # - Input Flange / Output Flange, Material Code

Example: P/N 70187-1/ 2A is an aluminum WR-187 Shim choke to cover 0.75 " thick.

MATERIAL CODE: A=Aluminum B=Brass
FLANGE TYPE: 1=Choke 2=Cover 5=CPRG 6=CPRF

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Precision Waveguide Components, Inc. 561 Overdrive Circle Hernando, FL 34442
Phone: 352-489-9893 Fax: 352-489-2251 e-mail: precision.waveguide@worldnet.att.net

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