8dB Directional coupler 50 Ohms 50 – 870 MHz V2 MACPCT0014 Features • SMT unit • Coupling 8dB typical • Available on tape & reel • Excellent temperature stability Description M/A-COM’s MACPCT0014 is a low cost SMT 8dB directional coupler designed for high volume CATV Broadband applications. An external 50 ohm load is required on the isolated port. Typical applications include set-top boxes, network interface units, cable amplifiers and headend equipment. Electrical Specifications @ 25°°C, Z0 = 50 Ohm Parameter Test Conditions Units Min. Typ. Max. Coupling 50 - 870 MHz dB — 8.0 ±0.5 Coupling Flatness 50 - 870 MHz dB — — 1.0 50 - 500 MHz 500 – 870 MHz 50 - 200 MHz 200 – 870 MHz 50 - 870 MHz dB dB dB dB dB — — 26 20 17 1.2 1.6 29 24 19 1.5 2.0 — — — 50 - 500 MHz 500 – 870 MHz 50 - 870 MHz dB dB dB 20 18 16 25 23 18 — — — Frequency Range: 50-870 MHz Main Line Loss Isolation Input Return Loss Output Return Loss Coupled Port Return Loss M/A-COM Inc. and it’s 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 ! North America: Tel. (800) 366-266, Fax (800) 618-8883 ! Asia/Pacific: Tel.+ 81-44-844-8296, Fax+81-44-844-8298 ! Europe: Tel. +44(1908) 574 200, Fax +44(1908) 574 300 1 Broadband CATV 8dB Directional Coupler MACPCT0014 Typical Performance @ +25°°C, 50 Ohm Main Line Loss: pin 6-1 -7.5 -1.0 -7.6 -1.1 -7.7 -1.2 -7.8 -1.3 -7.9 -1.4 -8.0 dB dB Coupling: pin 3-1 -8.1 -1.5 -1.6 -8.2 -1.7 -8.3 -1.8 -8.4 -1.9 -8.5 50 130 210 290 370 450 530 610 690 770 850 -2.0 50 130 210 290 Frequency (MHz) 370 450 530 610 690 770 850 Frequency (MHz) Return Loss: Input port Isolation 0 0 -5 -5 -10 -10 dB dB -15 -20 -15 -25 -20 -30 -25 -35 50 130 210 290 370 450 530 610 690 770 850 50 130 210 290 370 450 530 610 690 770 850 Frequency (MHz) Frequency (MHz) Absolute Maximum Ratings 1 Absolute Maximum RF Power 250 mW DC Current 30 mA Operating/Storage Temperature -20° C to +85° C 1 Exceeding one or a combination of these settings may cause permanent damage to the unit M/A-COM Inc. and it’s 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 ! North America: Tel. (800) 366-266, Fax (800) 618-8883 ! Asia/Pacific: Tel.+ 81-44-844-8296, Fax+81-44-844-8298 ! Europe: Tel. +44(1908) 574 200, Fax +44(1908) 574 300 2 Broadband CATV 8dB Directional Coupler MACPCT0014 SM-55 Case Style Suggested Footprint M/A-COM Inc. and it’s 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 ! North America: Tel. (800) 366-266, Fax (800) 618-8883 ! Asia/Pacific: Tel.+ 81-44-844-8296, Fax+81-44-844-8298 ! Europe: Tel. +44(1908) 574 200, Fax +44(1908) 574 300 3 Broadband CATV 8dB Directional Coupler MACPCT0014 Functional Schematic 1 6 2 3 4 Pin Configuration Pin No. Function Input 1 Coupled 3 Output 6 Isolated (external 50 Ohms) 4 Ground 2&5 M/A-COM Inc. and it’s 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 ! North America: Tel. (800) 366-266, Fax (800) 618-8883 ! Asia/Pacific: Tel.+ 81-44-844-8296, Fax+81-44-844-8298 ! Europe: Tel. +44(1908) 574 200, Fax +44(1908) 574 300 4