CH CHS-137 19.5 dB Bi-Directional Couplers Rev. V4 0.5-400 MHz Features RH-1 (CH-137) Low Cost Convenient Plug-In Mounting Fully Hermetic Package (CHS-137) MIL-STD-202 Screening Available Description Bi-Directional Couplers offer the ability to couple the power in two directions while maintaining directivity. SF-1 (CHS-137) Pin Configuration (CH-137) Pin No. Function Pin No. Function 1 5 GND 2 GND 6 3 7 GND 4 8 GND Pin Configuration (CHS-137) Pin No. Function Pin No. Function 1 C 3 A 2 B 4 D 11 1 1 M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: CH CHS-137 19.5 dB Bi-Directional Couplers Rev. V4 0.5-400 MHz 1 Electrical Specifications : T = -55C to +85C A Parameter Test Conditions Frequency Units Min Typ Max Coupling Input to Output 0.5 - 200 MHz dB 19.0 19.5 20.0 200 - 400 MHz dB 19.0 20.0 21.0 VSWR All Ports 5 - 200 MHz Ratio 1.2:1 0.5 - 400 MHz Ratio 1.5:1 Directivity Both Directions 0.5 - 50 MHz dB 30 50 - 200 MHz dB 20 200 - 400 MHz dB 15 2 Main Line Loss 0.5 - 50 MHz dB 0.5 50 - 200 MHz dB 0.4 200 - 400 MHz dB 0.6 Input Power Watt 3.0 1. All specifications apply with 50 ohm source and load impedance. 2. Includes theoretical power split. This product contains elements protected by United States Patent umber 3,426,298. Functional Diagram (CH-137) Functional Diagram (CHS-137) 22 2 2 M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: