CDC-202-50 10 dB We Have A Part In Your Future DIRECTIONAL __e COUPLER 5-1000 MHz RF PASSIVE COMPONENTS DESCRIPTION The CDC-202-50 is a wideband RF, subminature SPECIFICATIONS surface mount 10 dB directional coupler suitable for PARAMETER MIN. Typ. | Max. | UNITS pick and place assembly. ; 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 94 | 10 | 103 | aB The FR-4 substrate makes this device highly suited iar to mounting on FR-4 board assemblies due to the Insertion loss (Mainline) 0.75 1.00 1.6 dB matched coefficients of thermal expansion. Mainline Loss Flatness 0.40 | 0.75 dB FUNCTIONAL SCHEMATIC Coupled Port Flatness 0.50 | 0.80 dB IN rv 8 our Directivity 13 20 dB Return Loss 17 25 dB 3. 7 4 COUPLED O fY\ 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 bottom side of the board. 0.86] 0.10 [2.54] TYP. _ t 4 PLACES tT & PLCS Jo 4 0.28 [7.11] 0.05 [1.27]SQ. Contact the factory for further information on tape and reel specifications and recommended reflow profiles. ALL DIMENSIONS ARE IN INCHES [mm]. 60.034 0.038 [0.97] 7 r 0.030 [0.76] 0.216 [5.49] 0.020 [0.51] TYP. MINIMUM 7 0.00 [0.00] PLACE | | j 0,062 {1.57] o on Kt 0.100 [2.54] TYP. 8 ae & [Fore G8 g 22 on o oo ao Pinout Chart of . 0.36 [9.09] 0.216 [8.49] Pin Function 0.071 [1.80] 1 Input | f TYP. 2 Ground 0.110 [2.78] MAX (a me a | i a Coupled Port 0.095 [2.41] TYP. , ; | 0.038 [0.97] 3 e 0.085 te tal MIN, . 0032 (0.81) TYP. 4 - 4 Ground 0.037 [0.94] 0.062 [1.57] 5 Ground MAX. inli TOLERANCES: Recommended Land 6 Mainline XK = 01 Pattern XXX = +.005 11.3.00 Rev. B VARI-L Company Inc. 4895 Peoria Street Denver, Colorado 80239 Phone: (303) 371-1560 e Fax: (303) 371-0845 Email: sales@vari-l.com Website: www.vari-l.com