Directional Couplers

Directional Couplers (Waveguide and Coaxial)
FEATURES:
  • Rugged construction
  • High directivity
  • Low insertion loss
  • 0.5-110 GHz
 
APPLICATIONS:
  • Test equipment
  • Subsystems
  • Power sampling

MDC Series

 
DESCRIPTION:
MC-TECH's MDC Series multi-hole directional couplers are offered for the frequency range of 0.5 to 110 GHz in seven waveguide bands. The standard coupling levels are 3, 6, 10, 30 and 40 dB with full waveguide operational bandwidth. The high directivity is achieved via low VSWR built-in termination. The couplers are typically used for power sampling or frequency monitoring with minimum signal loss on the main transmitting path. The multi-hole couplers are especially used in the test setups where power reflection measurement is required.
 
SPECIFICATIONS:
COAXIAL:
Model Number Frequency
Range (MHz)
Insertion
Loss(dB)
Max.
Coupling (dB) Directivity (dB) Power 
Avg (W)
Max.
VSWR Max. Connector Type Case Type (mm)
MDCU5020620T 500-2000 0.4 6±0.6 20 10 1.25:1 SMA 139 x 16 x 10
MDCU5021020T 500-2000 0.5 10±0.8 20 30 1.25:1 SMA 139 x 16 x 10
MDCU5021520T 500-2000 0.5 15±0.8 20 50 1.20:1 SMA 139 x 16 x 10
MDCU5022020T 500-2000 0.4 20±1.0 20 50 1.20:1 SMA 139 x 16 x 10
MDCU5081015K 500-8000 1.3 10±1.0 15 20 1.35:1 SMA 133 x 18 x 13
MDCU5081615K 500-8000 0.85 16±1.0 15 20 1.35:1 SMA 133 x 18 x 13
MDCU5082015K 500-8000 0.8 20±1.0 15 20 1.35:1 SMA 133 x 18 x 13
MDCU5181012K 500-18500 1.5 10±1.0 12 20 1.35:1 SMA 111 x 18.5 x 13
MDCU5181612K 500-18500 1.1 16±1.0 12 20 1.35:1 SMA 111 x 18.5 x 13
MDCU5201015K 500-20000 1.65 10±1.0 15 20 1.35:1 SMA 114 x 18 x 13
MDCU5201315K 500-20000 1.4 13±1.0 15 20 1.35:1 SMA 114 x 18 x 13
MDCU5261313K 500-26500 1.5 13±1.0 13 20 1.45:1 SMA 111 x 18.5 x 9.6
MDCU6261013K 600-26500 1.3 10±0.5 13 20 1.40:1 3.5mm-F 28.4 x 16 x 13
MDCU6262014K 600-26500 0.8 20±1.0 14 20 1.40:1 3.5mm-F 28.4 x 16 x 13
MDCU6263014K 600-26500 0.7 30±1.0 14 20 1.45:1 3.5mm-F 28.4 x 16 x 13
MDCU8020320H 800-2500 0.4 3±0.6 20 100 1.2:1 N-F *
MDCU8020522B 800-2500 0.15 5±0.6 22 - 1.2:1 SMA 168 x 74 x 32.5
MDCU8020522B1 800-2500 0.15 5±0.6 22 - 1.2:1 N-F 156 x 58 x 16.5
MDCU8020520H 800-2500 0.4 5±0.6 20 100 1.2:1 N-F *
MDCU8020500T 800-2500 2.2 5±0.5 - 30 1.25:1 N-F 100 x 25 x 25
MDCU8020620H 800-2500 0.4 6±0.6 20 100 1.2:1 N-F *
MDCU8020600T 800-2500 1.9 6±0.5 - 30 1.25:1 N-F 100 x 25 x 25
MDCU8020720H 800-2500 0.4 7±0.6 20 100 1.2:1 N-F *
MDCU8020700T 800-2500 1.4 7±0.5 - 30 1.25:1 N-F 100 x 25 x 25
MDCU8020820H 800-2500 0.4 8±0.6 20 100 1.2:1 N-F *
MDCU8021022B 800-2500 0.15 10±0.8 22 - 1.2:1 N-F 156 x 58 x 16.5
MDCU8021022B1 800-2500 0.15 10±0.8 22 - 1.2:1 SMA 168 x 74 x 32.5
MDCU8021000T 800-2500 0.9 10±0.5 - 50 1.25:1 N-F 100 x 25 x 25
MDCU8021020H 800-2500 0.4 10±1.0 20 100 1.2:1 N-F *
MDCU8021220H 800-2500 0.4 12±1.0 20 100 1.2:1 N-F *
MDCU8021522B 800-2500 0.15 15±0.8 22 - 1.2:1 N-F 156 x 58 x 16.5
MDCU8021522B1 800-2500 0.15 15±0.8 22 - 1.2:1 SMA 168 x 74 x 32.5
MDCU8021520H 800-2500 0.4 15±1.0 20 100 1.2:1 N-F *
MDCU8021500T 800-2500 0.5 15±1.0 - 50 1.25:1 N-F 100 x 25 x 25
MDCU8022022B 800-2500 0.15 20±1.0 22 - 1.2:1 N-F 156 x 58 x 16.5
MDCU8022022B1 800-2500 0.15 20±1.0 22 - 1.2:1 SMA 168 x 74 x 32.5
MDCU8022020H 800-2500 0.4 20±1.0 20 100 1.2:1 N-F *
MDCU8022000T 800-2500 0.4 20±1.0 - 50 1.25:1 N-F 100 x 25 x 25
MDCU8022520H 800-2500 0.4 25±1.0 20 100 1.2:1 N-F *
MDCU8023022B 800-2500 0.15 30±1.0 22 - 1.2:1 N-F 156 x 58 x 16.5
MDCU8023022B1 800-2500 0.15 30±1.0 22 - 1.2:1 SMA 168 x 74 x 32.5
MDCU8023020H 800-2500 0.4 30±1.0 20 100 1.2:1 N-F *
MDCU8024022B 800-2500 0.15 40±1.0 22 - 1.2:1 N-F 156 x 58 x 16.5
MDCU8024022B1 800-2500 0.15 40±1.0 22 - 1.2:1 SMA 168 x 74 x 32.5
MDCU8025022B 800-2500 0.15 50±1.0 22 - 1.2:1 N-F 156 x 58 x 16.5
MDCU8025022B1 800-2500 0.15 50±1.0 22 - 1.2:1 SMA 168 x 74 x 32.5
MDC01040620T 1000-4000 0.4 6±1.0 20 10 1.25:1 SMA 77 x 16 x 10
MDC01041020T 1000-4000 0.5 10±1.0 20 30 1.25:1 SMA 77 x 16 x 10
MDC01041520T 1000-4000 0.5 15±1.0 20 50 1.20:1 SMA 77 x 16 x 10
MDC01042020T 1000-4000 0.4 20±1.0 20 50 1.20:1 SMA 77 x 16 x 10
MDC01181016K 1000-18000 1.3 10±1.0 16 20 1.35:1 SMA 88 x 18.5 x 13
MDC01181616K 1000-18000 0.9 16±1.0 16 20 1.35:1 SMA 88 x 18.5 x 13
MDC01201016K 1000-20000 1.4 10±1.0 16 20 1.35:1 SMA 88.9 x 18.5 x 13.4
MDC01201616K 1000-20000 1.1 16±1.0 16 20 1.35:1 SMA 88.9 x 18.5 x 13.4
MDC01202016K 1000-20000 1.0 20±1.0 16 20 1.35:1 SMA 88.9 x 18.5 x 13.4
MDC01261014K 1000-26500 1.6 10±1.0 14 20 1.4:1 3.5mm-F 73 x 16 x 13
MDC01262014K 1000-26500 1.2 20±1.0 14 20 1.4:1 3.5mm-F 73 x 16 x 13
MDC01401010K 1000-40000 2.0 10±1.0 10 20 1.7:1 2.4mm-F 51 x 16.51 x 10
MDC01401310K 1000-40000 1.8 13±1.0 10 20 1.7:1 2.4mm-F 51 x 16.51 x 10
MDC01020520S 1700-2500 0.4 5±0.5 20 50 1.3:1 N-F 62 x 21 x 28
MDC01020520H 1700-2500 0.4 5±0.6 20 100 1.2:1 N-F *
MDC01020620S 1700-2500 0.4 6±0.5 20 50 1.3:1 N-F 62 x 21 x 28
MDC01020620H 1700-2500 0.4 6±0.6 20 100 1.2:1 N-F *
MDC01020720S 1700-2500 0.4 7±0.5 20 50 1.3:1 N-F 62 x 21 x 28
MDC01020720H 1700-2500 0.4 7±0.6 20 100 1.2:1 N-F *
MDC01021020S 1700-2500 0.4 10±0.5 20 50 1.3:1 N-F 62 x 21 x 29
MDC01021020H 1700-2500 0.4 10±0.8 20 100 1.2:1 N-F *
MDC01021220S 1700-2500 0.4 12±0.7 20 50 1.3:1 N-F 51 x 34 x 18
MDC01021220H 1700-2500 0.4 12±0.8 20 100 1.2:1 N-F *
MDC01021520S 1700-2500 0.4 15±0.7 20 50 1.3:1 N-F 51 x 34 x 18
MDC01021520H 1700-2500 0.4 15±0.8 20 100 1.2:1 N-F *
MDC01022020S 1700-2500 0.4 20±0.7 20 50 1.3:1 N-F 51 x 34 x 18
MDC01022020H 1700-2500 0.4 20±1.0 20 100 1.2:1 N-F *
MDC01022520S 1700-2500 0.4 25±1.0 20 50 1.3:1 N-F 51 x 34 x 18
MDC01022520H 1700-2500 0.4 25±1.0 20 100 1.2:1 N-F *
MDC01023020S 1700-2500 0.4 30±1.0 20 50 1.3:1 N-F 51 x 34 x 18
MDC01023020H 1700-2500 0.4 30±1.0 20 100 1.2:1 N-F *
MDC01023520S 1700-2500 0.4 35±1.0 20 50 1.3:1 N-F 51 x 34 x 18
MDC01023520H 1700-2500 0.4 35±1.5 20 100 1.2:1 N-F *
MDC01024020S 1700-2500 0.4 40±1.0 20 50 1.3:1 N-F 51 x 34 x 18
MDC01024020H 1700-2500 0.4 40±1.5 20 100 1.2:1 N-F *
MDC01261014K 1700-26500 1.5 10±1.0 14 20 1.45:1 3.5mm-F 61 x 17.5 x 13.4
MDC01261614K 1700-26500 1.2 16±1.0 14 20 1.45:1 3.5mm-F 61 x 17.5 x 13.4
MDC02080620T 2000-8000 0.4 6±1.0 20 10 1.25:1 SMA 47 x 16 x 10
MDC02081020T 2000-8000 0.5 10±1.0 20 30 1.25:1 SMA 47 x 16 x 10
MDC02081520T 2000-8000 0.5 15±1.0 20 50 1.20:1 SMA 47 x 16 x 10
MDC02082020T 2000-8000 0.4 20±1.0 20 50 1.20:1 SMA 47 x 16 x 10
MDC02180616K 2000-18000 1.9 6±1.0 16 20 1.30:1 SMA 53 x 17.5 x 13
MDC02181012T 2000-18000 1.5 10±1.0 12 30 1.6:1 SMA 68 x 24 x 10
MDC02181512T 2000-18000 1.5 15±1.0 12 30 1.6:1 SMA 68 x 24 x 10
MDC02182010T 2000-18000 1.5 20±1.0 10 50 1.6:1 SMA 68 x 24 x 10
MDC02201016K 2000-20000 1.3 10±1.0 16 20 1.35:1 SMA 52.8 x 17.5 x 13
MDC02201616K 2000-20000 1.0 16±1.0 16 20 1.35:1 SMA 52.8 x 17.5 x 13
MDC02202016K 2000-20000 0.9 20±1.0 16 20 1.35:1 SMA 52.8 x 17.5 x 13
MDC02401311K 2000-40000 1.7 13±1.0 11 20 1.7:1 2.4mm-F 44 x 16.5 x 10
MDC02501010K 2000-50000 2.0 10±1.0 10 20 1.8:1 2.4mm-F 44 x 16.5 x 10
MDC02501310K 2000-50000 1.8 13±1.0 10 20 1.8:1 2.4mm-F 44 x 16.5 x 10
MDC02501610K 2000-50000 1.7 16±1.0 10 20 1.8:1 2.4mm-F 44 x 16.5 x 10
MDC04121015K 4000-12400 0.9 10±0.5 15 * 1.35:1 SMA *
MDC04122015K 4000-12400 0.5 20±1.0 15 * 1.35:1 SMA *
MDC04181010T 4000-18000 1.2 10±1.0 10 30 1.6:1 SMA 38.5 x 16 x 10
MDC04182010T 4000-18000 0.7 20±1.0 10 50 1.6:1 SMA 37 x 16 x 10
MDC04200615K 4000-20000 1.9 6±1.0 15 20 1.35:1 SMA 35.5 x 16.7 x 10
MDC04201015K 4000-20000 1.0 10±1.0 15 20 1.35:1 SMA 35.5 x 16.7 x 10
MDC04202015K 4000-20000 0.6 20±1.0 15 20 1.35:1 SMA 35.5 x 16.7 x 10
MDC06180615T 6000-18000 1.0 6±1.0 15 10 1.5:1 SMA 44 x 24 x 10
MDC06181014T 6000-18000 1.0 10±1.0 14 30 1.5:1 SMA 44 x 24 x 10
MDC06181512T 6000-18000 1.0 15±1.0 12 50 1.5:1 SMA 44 x 24 x 10
MDC06182012T 6000-18000 1.0 20±1.0 12 50 1.5:1 SMA 44 x 24 x 10
MDC10401010K 10000-40000 1.7 10±0.7 10 20 1.7:1 2.4mm-F 28 x 15 x 10
MDC10402010K 10000-40000 1.3 20±1.0 10 20 1.7:1 2.4mm-F 28 x 15 x 10
MDC10461010K 10000-46000 1.9 10±0.7 10 20 1.8:1 2.4mm-F 28 x 15 x 10
MDC10462010K 10000-46000 1.5 20±1.0 10 20 1.8:1 2.4mm-F 28 x 15 x 10
MDC10501010K 10000-50000 1.9 10±0.7 10 20 1.8:1 2.4mm-F 28 x 15 x 10
MDC10502010K 10000-50000 1.5 20±1.0 10 20 1.8:1 2.4mm-F 28 x 15 x 10
MDC18261014K 18000-26500 1.3 10±0.5 14 * 1.4:1 3.5mm-F *
DCD18262014K 18000-26500 0.8 20±1.0 14 * 1.4:1 3.5mm-F *
MDC18401012K 18000-40000 1.7 10±0.7 12 * 1.7:1 * *
MDC18402012K 18000-40000 1.3 20±1.0 12 * 1.7:1 * *
MDC18501010K 18000-50000 1.9 10±0.7 10 * 1.8:1 2.4mm-F *
MDC18502010K 18000-50000 1.5 20±1.0 10 * 1.8:1 2.4mm-F *
MDC26401012K 26500-40000 1.7 10±0.7 12 * 1.7:1 2.4mm-F *
MDC26402012K 26500-40000 1.3 20±1.0 12 * 1.7:1 2.4mm-F *
MDC26501010K 26500-50000 1.9 10±0.7 10 * 1.8:1 2.4mm-F *
MDC26502010K 26500-50000 1.5 20±1.0 10 * 1.8:1 2.4mm-F *
OTHER FREQUENCIES ARE ALSO AVAILABLE.
*CONSULT THE FACTORY
 
CAVITY:
Model Number Frequency
Range (MHz)
Insertion
Loss(dB)
Max.
Coupling (dB) Directivity (dB) Power 
Avg (W)
Max.
VSWR Max. Connector Type Case Type (mm)
MDCU8020520H 800-2500 0.2 5±0.6 20 200 1.2:1 N-F *
MDCU8020620H 800-2500 0.2 6±0.6 20 200 1.2:1 N-F *
MDCU8020620S 800-2500 0.2 6±0.7 20 200 1.3:1 N-F 120 x 40 x 17
MDCU8020720H 800-2500 0.2 7±0.6 20 200 1.2:1 N-F *
MDCU8020720S 800-2500 0.2 7±0.7 20 200 1.3:1 N-F 120 x 40 x 17
>MDCU8021020H >800-2500 >0.2 >10±0.6 >20 >200 >1.2:1 N-F *
>MDCU8021020S >800-2500 >0.2 >10±0.7 >20 >200 >1.3:1 N-F 120 x 40 x 17
>MDCU8021220S >800-2500 >0.2 >12±0.7 >20 >200 >1.3:1 N-F 120 x 40 x 17
>MDCU8021520S >800-2500 >0.2 >15±0.7 >20 >200 >1.3:1 N-F 120 x 40 x 17
>MDCU8021520H >800-2500 >0.2 >15±0.8 >20 >200 >1.2:1 N-F *
MDCU8022020S 800-2500 0.2 20±0.7 20 200 1.3:1 N-F 120 x 40 x 17
MDCU8022020H 800-2500 0.2 20±1.0 20 200 1.2:1 N-F *
MDCU8022520H 800-2500 0.2 25±1.0 20 200 1.2:1 N-F *
MDCU8022520S 800-2500 0.2 25±1.0 20 200 1.3:1 N-F 120 x 40 x 17
MDCU8023020S 800-2500 0.2 30±1.0 20 200 1.3:1 N-F 120 x 40 x 17
MDCU8023020H 800-2500 0.2 30±1.5 20 200 1.2:1 N-F *
MDCU8023520S 800-2500 0.2 35±1.0 20 200 1.3:1 N-F 120 x 40 x 17
MDCU8023520H 800-2500 0.2 35±1.5 20 200 1.2:1 N-F *
MDCU8024020S 800-2500 0.2 40±1.0 20 200 1.3:1 N-F 120 x 40 x 17
MDCU8024020H 800-2500 0.2 40±1.5 20 200 1.2:1 N-F *
MDCU8024520H 800-2500 0.2 45±2.0 20 200 1.2:1 N-F *
MDCU8025020H 800-2500 0.2 50±2.0 20 200 1.2:1 N-F *
>MDC01020520S >1700-2500 >0.2 >5±0.5 >20 >200 >1.3:1 N-F 58 x 19 x 21
>MDC01020520H >1700-2500 >0.2 >5±0.6 >20 >200 >1.2:1 N-F *
>MDC01020620S >1700-2500 >0.2 >6±0.5 >20 >200 >1.3:1 N-F 58 x 19 x 21
>MDC01020620H >1700-2500 >0.2 >6±0.6 >20 >200 >1.2:1 N-F *
>MDC01020720S >1700-2500 >0.2 >7±0.5 >20 >200 >1.3:1 N-F 58 x 19 x 21
MDC01020720H 1700-2500 0.2 7±0.6 20 200 1.2:1 N-F *
MDC01021020S 1700-2500 0.2 10±0.5 20 200 1.3:1 N-F 58 x 20 x 21
MDC01021020H 1700-2500 0.2 10±0.8 20 200 1.2:1 N-F *
MDC01021220S 1700-2500 0.2 12±0.5 20 200 1.3:1 N-F 58 x 25 x 21
MDC01021220H 1700-2500 0.2 12±0.8 20 200 1.2:1 N-F *
>MDC01021520S >1700-2500 >0.2 >15±0.5 >20 >200 >1.3:1 N-F 58 x 25 x 21
>MDC01021520H >1700-2500 >0.2 >15±0.8 >20 >200 >1.2:1 N-F *
>MDC01022020S >1700-2500 >0.2 >20±0.5 >20 >200 >1.3:1 N-F 58 x 29 x 21
>MDC01022020H >1700-2500 >0.2 >20±1.0 >20 >200 >1.2:1 N-F *
>MDC01022520S >1700-2500 >0.2 >25±0.5 >20 >200 >1.3:1 N-F 58 x 29 x 21
MDC01022520H 1700-2500 0.2 25±1.0 20 200 1.2:1 N-F *
MDC01023020S 1700-2500 0.2 30±0.5 20 200 1.3:1 N-F 58 x 29 x 21
MDC01023020H 1700-2500 0.2 30±1.0 20 200 1.2:1 N-F *
MDC01023520S 1700-2500 0.2 35±0.5 20 200 1.3:1 N-F 58 x 29 x 21
MDC01023520H 1700-2500 0.2 35±1.5 20 200 1.2:1 N-F *
MDC01024020H 1700-2500 0.2 40±1.5 20 200 1.2:1 N-F *
MDC01025020H 1700-2500 0.2 50±1.5 20 200 1.2:1 N-F *
OTHER FREQUENCIES ARE ALSO AVAILABLE.
*CONSULT THE FACTORY
 
HIGH POWER BI-DIRECTIONAL:
Model Number Frequency
Range (MHz)
Insertion
Loss(dB) Max.
Coupling (dB) Directivity (dB) Power 
Avg (W) Max.
VSWR Max. Connector Type Case Type
(mm)
MDCU7012020T 700-1100 0.4 20±1.0 20 100 1.2:1 N-F *
MDCU7013020T 700-1100 0.4 30±1.0 20 150 1.2:1 N-F *
MDCU7014020T 700-1100 0.4 40±1.0 20 150 1.2:1 N-F *
MDCU7015020T 700-1100 0.4 50±1.0 20 150 1.2:1 N-F *
MDC01022020T 1700-2500 0.4 20±1.0 20 100 1.2:1 N-F *
MDC01023020T 1700-2500 0.4 30±1.0 20 150 1.2:1 N-F *
MDC01024020T 1700-2500 0.4 40±1.0 20 150 1.2:1 N-F *
MDC01025020T 1700-2500 0.4 50±1.0 20 150 1.2:1 N-F *
OTHER FREQUENCIES ARE ALSO AVAILABLE.
*CONSULT THE FACTORY
 
WAVEGUIDE:
Waveguide Band K Kb Ka Q U V E W
Frequency Range (GHz) 18 to 26.5 22 to 33.0 26.5 to 40 33 to 50 40 to 60 50 to 75 60 to 90 75 to 110
Waveguide Size WR-42 WR34 WR-28 WR-22 WR-19 WR-15 WR-12 WR-10
Coupling Level (dB, Typical) 3, 6, 10, 20, 30 and 40
Coupling Flatness (dB, Maximum) ± 0.4 ± 0.4 ± 0.4 ± 0.4 ± 0.4 ± 0.4 ± 0.4 ± 0.5
Insertion Loss (dB, Typical)* 0.7 0.7 0.7 0.7 0.8 1.0 1.2 1.5
Directivity (dB, Typical) 20, 25, 30, 35, 40
Main Line VSWR (Maximum) 1.1:1 1.1:1 1.1:1 1.1:1 1.2:1 1.2:1 1.2:1 1.2:1
Secondary Line VSWR (Maximum) 1.1:1 1.1:1 1.1:1 1.2:1 1.2:1 1.2:1 1.25:1 1.25:1
Contact factory for other waveguide size or coupling level needs. * Insertion loss is defined as the power loss in addition to the coupling loss.
 
 
HOW TO ORDER:
 
Example:To order a coupler with F1 at 20GHz and F2 at 21 GHz with coupler level of 20dB and a 15dB Minimum directivity, specify MDC-20212015-XX.