CDC-201-50 7 dB We Have A Part In Your Future DIRECTIONAL COUPLER 5-1000 MHz RF PASSIVE COMPONENTS DESCRIPTION The CDC-201-50 is a wideband RF, subminature SPECIFICATIONS surface mount 7 dB directional coupler suitable for pick and place assembly. PARAMETER MIN. | TYP. | MAX. | UNITS ; . Impedance 50 Ohms This device offers low insertion loss and excellent mainline and coupled port flatness over a very broad Frequency Range 5 1000 MHz bandwidth and the low VSWR at all ports minimize circuit interface problems. The isolated port is intern- Temperature Range -40 +85 C ally terminated. Coupling Value 6.75 7 | 775 | oB The FR-4 substrate makes this device highly suited : ia: to mounting on FR-4 board assemblies due to the Insertion loss (Mainline) 1.60 2.10 2.60 dB matched coefficients of thermal expansion. Mainline Loss Flatness 0.50 1.00 dB FUNCTIONAL SCHEMATIC Coupled Port Flatness 0.40 | 0.80 dB NO LYN OUT Directivity 16 19 dB Return Loss 12 18 dB 3 7 4 COUPLED iY. ISOLATED PORT PORT 3 (INTERNALLY TERMINATED) PACKAGE SUBSTRATE MATERIAL: FR-4 Note: All half via contacts are plated through from the pad on the top side to the pad on the a 0.86] 0.10 [2.54] TYP. t 4 PLACES r | 6 PLCS zy oat 4 0.28 [7.11] ~ 0.05 [1.27]SQ. ALL DIMENSIONS ARE IN INCHES [mn]. 0.034 0.038 [0.97] 7 r 0.030 [0.76] 0.216 [5.49] 0.020 [0.51] TYP. i f the board. t bottom side of the boar MINIMUM, R 0.00 [0.00] - PLAGE | | [0.062 [1.57] a Or F 3 0.100 [2.54] TYP. 2 ay sk [PF ote sel g 22 5 | Pai a6 3 Pinout Chart mi ; ; 0.36 [9.09] 0.218 [5.49] Pin Function 0.071 [1.80] 1 Input | i TYP. 2 Ground 0.110 [2.79] Max (eo if a i led Port 0.095 [2.41] TYP. . . 0.038 [0.97] 3 Coupled Po 0.095 fea) wr ..| L. o.032 [0.81] TYP. | L 4 Ground 0.037 [0.94] 0.062 [1.57] 5 Ground MAK. 6 Mainline TOLERANCES: Recommended Land .XX = +.01 Pattern XXX = +.005 Contact the factory for further information on tape and reel specifications and recommended reflow profiles. 11.02.00 Rev. - VARI-L Company Inc. 4895 Peoria Street Denver, Colorado 80239 Phone: (303) 371-1560 Fax: (303) 371-0845 e Email: sales@vari-l.com Website: www.vari-l.com