CH-140 20 dB, Directional Coupler, 5 - 1000 MHz Features n n n n V 4.00 FP-2 Broadband Flat Coupling 0.3 dB Typical Insertion Loss 30 dB Typical Directivity MIL-STD-883 Screening Available Description Directional Couplers offer the ability to couple the power in one direction. Pin Configuration Pin No. Function Pin No. Function 1 C 5 A 2 GND 6 GND 3 GND 7 GND 4 GND 8 D Electrical Specifications1: TA = -55°C to +85°C Parameter Test Conditions Frequency Units Min Typ Max Coupling Input to Output — dB 18.75 19.75 20.75 Coupling Flatness — — dB — — ± 0.5 VSWR All Ports Ratio — — 1.35:1 Directivity Both Directions 5 - 800 MHz 800 - 1000 MHz dB dB 20 17 — — — — Main Line Loss 2 — — dB — — 0.75 Input Power — — Watt — — 3.0 Internal Power Dissipation — — Watt — — 0.25 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. 20 dB, Directional Coupler, 5 - 1000 MHz CH-140 V 4.00 Functional Diagram Ordering Information D 0° Part Number Package CH-140 PIN FP-2 180° C A Typical Performance Curves Directivity 1.00 50 0.75 40 Directivity (dB) Main Line Loss (dB) Above 0.46 dB Power Split Main Line Loss 0.50 0.25 30 20 10 0.00 5 10 50 100 500 1000 1250 5 1500 10 50 Coupling dB Reference to Input VSWR 1.2 1.1 1 10 500 1000 1250 1500 Coupling VSWR 5 100 Frequency (MHz) Frequency (MHz) 50 100 500 1000 1250 1500 Frequency (GHz) 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. Visit www.macom.com for additional data sheets and product information. 20.5 20 19.5 5 10 50 100 500 1000 1250 1500 Frequency (MHz) 2 n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020