Atm Inc. - W/G Components -> Assemblies, Straight Sections and Twists

Rectangular W/G - Straight Sections and Twists

GENERAL SPECIFICATIONS

Electrical
VSWR:
Straights: 1.03 Typ., 1.06 Max.
Twists: 1.10 Max.
Mechanical
Body: Aluminum/Copper-Brass (per order)
Flanges: Multiple types available - see ATM Std. Flanges
Finish: Unique corrosion resistant 316 stainless steel epoxy coating IAW MIL-F-14072

WG
Size

Freq. (GHz)

Straight Sections
Model No*

90 Degree Twist**
Model No*

WR650

1.00 - 1.70

650-120A-12-2-2

650-340A-24-2-2

WR430

1.70 - 2.60

430-120A-12-2-2

430-340A-16-2-2

WR340

2.20 - 3.30

340-120A-12-2-2

340-340A-15-2-2

WR284

2.60 - 3.95

284-120A-10-6-6

284-340A-12-6-6

WR229

3.30 - 4.90

229-120B-6-2-2

229-340B-12-2-2

WR187

3.95 - 5.85

187-120A-6-6-6

187-340A-8-6-6

WR159

4.09 - 7.05

159-120B-6-2-2

159-340B-6-2-2

WR137

5.85 - 8.20

137-120B-6-2-2

137-340B-6-2-2

WR112

7.05 - 10.0

112-120B-6-6-6

112-340B-6-6-6

WR102

7.00 - 11.0

102-120A-6-6-6

102-340A-6-6-6

WR90

8.20 - 12.4

90-120A-6-6-6

90-340A-5-6-6

WR75

10.0 - 15.0

75-120B-6-6-6

75-340B-4-6-6

WR62

12.4 - 18.0

62-120B-6-6-6

62-340B-4-6-6

WR51

15.0 - 22.0

51-120B-6-6-6

51-340B-4-6-6

WR42

18.0 - 26.5

42-120B-3-6-6

42-340B-3-6-6

WR34

22.0 - 33.0

34-120B-3-6-6

34-340B-3-6-6

WR28

26.5 - 40.0

28-120B-3-6-6

28-340B-3-6-6

Example P/N:

340-340A-15-6-6 is WR340 twist Aluminum material - 15(in) - Cover Flg. - Cover Flg.
340-120A-12-6-6 is WR340 straight section Aluminum material - 12(in) - Cover Flg. - Cover Flg.

Ordering Information	WR	- Mod	M	- L	- F1	- F2
W/G - Straights and Twists
Example part number:	90	-340	A	-6	-6	-6
Waveguide Size: (WR) WR28 thru WR650
Basic Model No. (-Mod): 120=Straight, 340=Twist
Material (M): A=Aluminum, B=Copper/Brass
Length in inches (-L):
Flange 1 (-F1): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke
Flange 2 (-F2): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke See ATM Standard Flange page for more info.

*The Standard Model Numbers above are the most common parts ordered for size, material and flange. However, these models can easily be altered to accommodate your needs by using the Model # code system to the left.

** Twist direction option of ATM unless otherwise specified.

Waveguide Assemblies,

Rectangular W/G, Straights and Twists