DC Pass, High Power Dual-Directional Coupler, 50Ω, 50dB Coupling, 120W, 20 to 1000 MHz


Mini-Circuits DDCH-50-13+ is a high-power (120W), wide band (20-1000MHz) dual-directional coupler which features low insertion loss (0.15 dB), 50 dB coupling and excellent mainline return loss (30 dB). The Dual directional design allows monitoring forward and reverse power and guarantees good directivity, flatness and coupling accuracy.
The DDCH-50-13+ supports a wide variety of applications from military to VHF/UHF radio, various cellular base station applications and more.
The coupler is fabricated using laminated PCB process (1.5 x 1.0 x 0.128”) and includes wrap-around terminations for good solderability and easy visual inspection.


• high power, up to 120W
• ultra wide band 20 to 1000 MHz
• low insertion loss, 0.15 dB Typ.
• excellent in/out return loss, 30 dB Typ
• high directivity, 24.5 dB Typ.
• DC current pass through input to output
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