E-Series 75 Ohm Coupler — 5 - 1000 MHz ELDC-8 E-Series 75 Ohm Coupler 5 - 1000 MHz Features • • • • SM-55 Package Coupling 8dB Typical Surface Mount Low Profile Tape and Reel Packaging available Description M/A-COM’s ELDC-8 is a high performance 75 Ohm Coupler, in a SM-55 low cost, surface mount package. The ELDC-8 is designed for use in high volume CATV applications. Typical applications include Set-top Boxes, Network Interface Units, Broadband Amplifiers and Headend equipment. Electrical Specifications @25°C, Z0 = 75 Ohms Frequency Range 5 - 1000 MHz Units Nominal Typical Minimum Maximum Mainline Loss 5 - 870 MHz 870 - 1000 MHz dB dB — 1.5 2.1 — 2.3 2.6 Coupling 5 - 870 MHz 870 - 1000 MHz dB dB 7.9 7.9 — — — — ± 0.6 ± 0.8 dB — — — 0.9 Coupling Flatness Directivity 5 - 870 MHz 870 - 1000 MHz dB dB — — 17 13 11 10 — — Input Return Loss 5 - 50 MHz 50 - 870 MHz 870 - 1000 MHz dB dB dB — — — 18 18 20 17 16 16 — — — Output Return Loss 5 - 50 MHz 50 - 870 MHz 870 - 1000 MHz dB dB dB — — — 22 34 24 24 20 18 — — — Coupled Return Loss 5 - 50 MHz 50 - 870 MHz 870 - 1000 MHz dB dB dB — — — 19 20 20 16 16 16 — — — *Notes: 1.Core is coated with Paralyene C, 0.005” thick minimum. 2.Wire is heavy poly-nylon coated, rated to 180ºC. S 1349 E M/A-COM Division of AMP Incorporated ■ North America: Tel. (800) 366-2266, Fax (800) 618-8883 ■ Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 ■ Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 www.macom.com AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice. E-Series 75 Ohm Coupler — 5 - 1000 MHz Operating Characteristics ELDC-8 Absolute Maximum Ratings Function Pin No. Parameter Absolute Maximum Input 6 RF Power 250 mW Output 1 DC Current 30 mA Coupled 4 Pin Temperature (10 sec) 260°C External 75 Ohms 3 Operating/Storage Temperature -40°C to +85°C Ground 5 Not Connected 2 Typical Performance @ 25°C Mainline Loss Input Return Loss 0.0 -0.5 -5.0 -1.0 -10.0 dB dB 0.0 -1.5 -15.0 -2.0 -20.0 -2.5 -25.0 5 5.0 200 205.0 400 405.0 600 605.0 800 805.0 5 5.0 1000 200 205.0 Frequency (MHz) Coupling 600 605.0 800 805.0 1000 800 805.0 1000 800 1000 Output Return Loss -7.0 0.0 -7.2 -5.0 -7.4 -10.0 -7.6 -15.0 dB -7.8 dB 400 405.0 Frequency (MHz) -8.0 -8.2 -20.0 -25.0 -30.0 -8.4 -8.6 -35.0 -8.8 -40.0 -45.0 -9.0 55.0 200 205.0 400 405.0 600 605.0 800 805.0 55.0 1000 200 205.0 400 405.0 600 605.0 Frequency (MHz) Frequency (MHz) Directivity Coupled Port Return Loss -1 5.0 0.0 -1 6.0 -1 7.0 -5.0 -1 8.0 -10.0 dB dB -1 9.0 -15.0 -2 0.0 -2 1.0 -2 2.0 -20.0 -2 3.0 -2 4.0 -25.0 55.0 200 205.0 400 405.0 600 605.0 800 805.0 1000 Frequency (MHz) -2 5.0 5 5.0 200 2 0 5.0 400 4 0 5.0 600 60 5 .0 8 05 .0 F re qu en cy (M H z) S 1349 E M/A-COM Division of AMP Incorporated ■ North America: Tel. (800) 366-2266, Fax (800) 618-8883 ■ Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 ■ Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 www.macom.com AMP and Connecting at a Higher Level are trademarks. Specifications subject to change without notice.