 click here to view PDF: Double Ridge Waveguide Cross Guide Couplers
Space Machine custom fabricates a standard product line of double ridge cross guide couplers covering waveguide sizes WRD180 thru WRD200. Coupling variation is typically ± 5dB over the full waveguide band. Directivity is 12dB minimum. Additional sizes and configurations are available upon request. 
|
Model
|
WR #
|
Frequency (GHz)
|
A
|
B
|
C
|
|
DDG180-
|
180
|
18.00 - 40.00
|
2.50
|
1.25
|
6.50
|
|
DDG110-
|
110
|
11.00 - 26.50
|
2.50
|
1.25
|
7.50
|
|
DDG750-
|
750
|
7.50 - 18.00
|
2.75
|
2.00
|
9.50
|
|
DDG650-
|
650
|
6.50 - 18.00
|
3.00
|
2.00
|
9.75
|
|
DDG580-
|
580
|
5.80 - 16.00
|
3.00
|
2.25
|
9.75
|
|
DDG500-
|
500
|
5.00 - 18.00
|
3.00
|
2.25
|
10.50
|
|
DDG475-
|
475
|
4.75 - 11.00
|
3.25
|
2.50
|
11.75
|
|
DDG350-
|
350
|
3.50 - 8.20
|
3.75
|
3.25
|
14.50
|
|
DDG250-
|
250
|
2.60 - 7.80
|
4.00
|
3.75
|
16.25
|
|
DDG200-
|
200
|
2.00 - 4.80
|
5.00
|
6.00
|
18.00
|
|
|
Ordering Information
|
DDG |
wrd |
-m |
c |
cp |
-f1 |
f2 |
-p |
f |
|
Double Ridge Cross Guide Coupler, WRD350, Aluminum, 40 dB Coupling, Type N Female Coupled Port, Gasket /Cover Flanges, Cromated, Paint Space Machine Gray.
|
|
|
|
|
|
|
|
|
|
|
Example part number:
|
DDG |
350 |
-A |
40 |
NF |
-02 |
01 |
-C |
P
|
|
Series (DDG):
|
|
|
|
|
|
|
|
|
|
| Waveguide Size (wrd): WRD180 thru WRD200 |
|
|
|
|
|
|
|
|
|
|
Material (m): A – Aluminum
|
|
|
|
|
|
|
|
|
|
| Coupling (c): 35 - 60 dB |
|
|
|
|
|
|
|
|
|
|
Coupled Port (cp): Connector - See AppendixE Flange - See Appendix F and H
|
|
|
|
|
|
|
|
|
|
|
Flange (-f1 f2): See Appendix F and H
|
|
|
|
|
|
|
|
|
|
|
Plating (-p): C – Chromate, S – Silver,
G – Gold, O – Other, N – None
|
|
|
|
|
|
|
|
|
|
|
Finish (f): P – Paint Space Machine Gray,
N – None, O – Other
|
|
|
|
|
|
|
|
|
|
|
