click here to view PDF: Rectangular Waveguide Dual Topwall Couplers
Space Machine custom fabricates a standard product line of dual topwall couplers covering waveguide sizes WR28 thru WR284. Coupling variation is typically ±0.5dB over the full waveguide band. Directivity is 35dB minimum. Additional sizes and configurations are available upon request.
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Model
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WR #
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Frequency (GHz)
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A
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B
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C
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DBC28-
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28
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26.50 - 40.00
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12.25
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1.00
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1.50
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DBC34-
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34
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22.00 - 33.00
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14.25
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1.00
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1.50
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DBC42-
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42
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18.00 - 26.50
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14.75
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1.00
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1.63
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DBC51-
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51
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15.00 - 22.00
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16.25
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1.20
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2.25
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DBC62-
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62
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12.40 - 18.00
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18.25
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1.20
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2.25
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DBC75-
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75
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10.00 - 15.00
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20.25
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1.20
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2.25
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DBC90-
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90
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8.20 - 12.40
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22.25
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1.50
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2.25
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DBC102-
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102
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7.00 - 11.00
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23.25
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1.50
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3.25
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DBC112-
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112
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7.05 - 10.00
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24.25
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1.50
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3.25
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DBC137-
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137
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5.85 - 8.20
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28.25
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1.70
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3.25
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DBC159-
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159
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4.90 - 7.05
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32.25
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2.00
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4.25
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DBC187-
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187
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3.95 - 5.85
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36.25
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2.20
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4.50
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DBC229-
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229
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3.30 - 4.90
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48.25
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2.20
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5.25
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DBC284-
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284
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2.60 - 3.95
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60.25
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2.70
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6.75
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All dimensions are in inches.
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Ordering Information
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DBC |
wr |
-m |
c |
cp |
-f1 |
f2 |
-p |
f |
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Dual Topwall Coupler, WR112, Bronze, 30 dB Coupling, Type N Female Coupled Port, Cover/ Choke Flanges, Chromated, Paint Space Machine Gray.
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Example part number:
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DBC |
112 |
-B |
30 |
NF |
-01 |
02 |
-C |
P
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Series (DBC):
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Waveguide Size (wr): WR28 thru WR284
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Material (m): A –Aluminum, B – Bronze, O – Other
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| Coupling (c): 10 - 40 dB |
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Coupled Port(cp):Connector-See Appendix E Flange - See Appendix G
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Flange (-f1 f2): See Appendix G
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Plating (-p): C – Chromate, S – Silver,
G – Gold, O – Other, N – None
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Finish (f): P – Paint Space Machine Gray,
N – None, O – Other
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