CH- / CHS-134 Bi-Directional Couplers, Rev. V3 10 - 500 MHz Features Constant Coupling - within 0.5 dB max. MIL-STD-202 Screening Available SF-1 (CHS-134) Description Bi-Directional couplers offer the ability to couple the power in two directions while maintaining directivity. FP-2 (CH-134) Pin Configuration Pin No. Function Pin No. Function 1 C 3 A 2 B 4 D Pin Configuration Pin No. Function Pin No. Function Ordering Information 1 C 5 A Part Number Package 2 GND 6 GND CH-134-PIN FP-2 (flat pack) 3 GND 7 GND CHS-134-PIN SF-1 (surface mount) 4 B 8 D 11 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-134 Bi-Directional Couplers, Rev. V3 10 - 500 MHz 1 Electrical Specifications : T = -55C to +85C A Parameter Test Conditions Units Min. Typ. Max. Coupling Input to Output dB 10.1 10.8 11.5 Coupling Flatness dB 0.5 All Ports VSWR 10 - 500 MHz Ratio 1.8:1 25 - 200 MHz 1.5:1 Directivity Both Directions dB 20 2 Main Line Loss dB 1.6 Input Power W 1.0 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-134) Functional Diagram (CHS-134) 8 4 4 2 0 180 0 180 1 5 1 3 Case P2, P3, P6 and P7 Ground Case Ground 22 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: