Couplers, Power Sampler

Double Ridged Waveguide

See Also:

ATM manufactures in all double ridge waveguide sizes listed below. They are an excellent and most economical way to sample RF Power from the main line in a rectangular waveguide system. Multiple flange and Coaxial connector types and configurations are also available. For more information feel free to call us and discuss your needs with one of our design engineers.

Rectangular Waveguide Power Samplers, SMA Female

TYPICAL SPECIFICATIONS

Electrical:

Full waveguide frequency range.
Coupling: 30, 40, 50 dB standard, others available upon request.
VSWR Primary: 1.08 max (1.15 max for 30dB coupling level) SMA port: N/A
Nominal Coupling: +/- 1.00dB
Frequency Sensitivity: +/- 1.50dB max.

Mechanical:

Standard RF Connectors: SMA female, K female for WRD180

Body: Aluminum

Connectors: Stainless Steel

Operating Temp: -55°C to +110°C

Finish: Unique corrosion resistant 316 stainless steel epoxy coating IAW MIL-F-14072

Applicable Mil-Specs:

General: MIl_DTL-39000, MIL-DTL-3922, AMS-QQ-A-250/11, AMS-QQ-A-225/8, ASTM B209, ASTM B211, ASTM B221, ASTM-PRF-39012.

WG Size

Freq. (GHz)

Standard
Model No.*

Dim A
(Inches)

Peak Power
(kW)

Average Power
(W)

WRD200

2.00 - 4.80

200-350-dB-C1-C1

2.50

2800

WRD250

2.60 - 7.80

250-350-dB-C1-C1

2.50

2350

WRD350

3.50 - 8.20

350-350-dB-C1-C1

2.30

2250

WRD475

4.80 - 11.0

475-350-dB-C1-C1

2.00

1800

WRD580

5.80 - 16.0

580-350-dB-C1-C1

2.00

900

WRD650

6.50 - 18.0

650-350-dB-C1-C1

2.00

480

WRD750

7.50 - 18.0

750-350-dB-C1-C1

2.00

330

WRD180

18.0 - 40.0

180-350-dB-C1-C1**

1.50

420

Ordering Information	WR	- Mod	-dB	-FG1	- FG2
W/G - Power Sampler, SMA-(F)
Example part number:	750	-350	-30	-C1	-C1
Waveguide Size: (WRD) WR200 thru WRD180
Basic Model No.: (-Mod)
Coupling (-dB): 30, 40, or 50 std.
Flange 1 (-FG1): C1 (Alternate), C2 (All tapped), C3 (All clear)
Flange 2 (-FG2): C1 (Alternate), C2 (All tapped), C3 (All clear) 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.

**These units are supplied with 2.9 (K-female type) connectors.