19.5 dB Bi-Directional Couplers, 0.5 - 400 MHz CH-/CHS-137 V4 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 1 2 GND Pin No. Function 5 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 1 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. • North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. 19.5 dB Bi-Directional Couplers, 0.5 - 400 MHz CH-/CHS-137 V4 Electrical Specifications1: TA = -55°C to +85°C Parameter Test Conditions Frequency Units Min Typ Max Coupling Input to Output 0.5 - 200 MHz 200 - 400 MHz dB dB 19.0 19.0 19.5 20.0 20.0 21.0 VSWR All Ports 5 - 200 MHz 0.5 - 400 MHz Ratio Ratio — — — — 1.2:1 1.5:1 Directivity Both Directions 0.5 - 50 MHz 50 - 200 MHz 200 - 400 MHz dB dB dB 30 20 15 — — — — — — Main Line Loss 2 — 0.5 - 50 MHz 50 - 200 MHz 200 - 400 MHz dB dB dB — — — — — — 0.5 0.4 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) 2 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. • North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. 19.5 dB Bi-Directional Couplers, 0.5 - 400 MHz CH-/CHS-137 V4 Typical Performance Curves Ordering Information Part Number Package CH-137 PIN RH-1 CHS-137 PIN SF-1 3 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. • North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information.