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Directional Couplers
Directional Couplers
These directional couplers have three series; The DCN and the DCB series adopt transformer type and the BSC series adopts Wilkinson micro-stripline type. They can branch a certain level of signal with extremely low transmission loss in a trunk line over broad band range. They are suitable for a unit used in cable transmission line and incorporated units in various equipment.	Common specifications Isolation(Branch) DCN, DCB Type : 20dB Min. BSC Type : 35dB Min. Max. input power DCN, DCB Type : 2W Max. BSC Type : 1W Max. Operating temp. 0°C to +50°C

Specifications Model Frequ- ency Range (MHz) Imped- ance (Ω) Insertion Loss (dB) V.S.W.R. (Max.) Coupling (dB) Connec- tions Main Branch DCN 2502 40 to 250 50 1.5 IN=1.3 OUT=1.4 1.5 11±2 N-J DCN 2502C 75 NC-J DCN 9002 40 to 900 50 2.5 1.5 13±2 N-J DCN 9002C 75 NC-J DCN 2504 40 to 250 50 2.0 IN=1.3 OUT=1.5 14±2 N-J DCN 2504C 75 NC-J DCN 9004 40 to 900 50 3.0 1.5 16±2 N-J DCN 9004C 75 NC-J DCB 2502 40 to 250 50 1.5 IN=1.3 OUT=1.4 11±2 BNC-J DCB 2502C 75 DCB 9002 40 to 900 50 2.5 1.5 13±2 DCB 9002C 75 DCB 2504 40 to 250 50 2.0 IN=1.3 OUT=1.5 14±2 DCB 2504C 75 DCB 9004 40 to 900 50 3.0 1.5 16±2 DCB 9004C 75 BSC 1802 900 to 1,800 50 1.5 1.3 1.3 11±2 N-J