E-Series 75 Ohm Coupler — 5 - 1000 MHz ELDC-20 E-Series 75 Ohm Coupler 5 - 1000 MHz Features • • • • SM-55 Package Coupling 20dB Typical Surface Mount Low Profile Tape and Reel Packaging available Description M/A-COM’s ELDC-20 is a high performance 75 Ohm Coupler, in a SM-55 low cost, surface mount package. The ELDC-20 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 - 50 MHz 50 - 870 MHz 870 - 1000 MHz dB dB dB — — — 0.6 0.45 0.6 — — — 0.7 0.65 0.7 Coupling 5 - 870 MHz 870 - 1000 MHz dB dB 20 20 — — — — ± 0.8 ± 1.0 dB — — — ± 0.5 Coupling Flatness Directivity 5 - 870 MHz 870 - 1000 MHz dB dB — — 14 9 10 7 — — Input Return Loss 5 - 50 MHz 50 - 1000 MHz dB dB — — 22 27 20 22 — — Output Return Loss 5 - 50 MHz 50 - 1000 MHz dB dB — — 22 28 20 22 — — Coupled Return Loss 5 - 50 MHz 50 - 1000 MHz dB dB — — 22 27 20 20 — — S 1344 F 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-20 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 Isolated 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 -21.0 -0.1 -23.0 -0.2 dB dB -25.0 -0.3 -0.4 -27.0 -29.0 -0.5 -31.0 -0.6 -33.0 -0.7 -35.0 5 5.0 200 205.0 400 405.0 600 605.0 800 805.0 5 5.0 1000 200 205.0 Frequency (MHz) 400 405.0 600 605.0 800 805.0 1000 800 805.0 1000 800 805.0 1000 Frequency (MHz) Coupling Output Return Loss -15.0 -21.0 -16.0 -23.0 -17.0 -18.0 -25.0 dB dB -19.0 -20.0 -27.0 -29.0 -21.0 -22.0 -31.0 -23.0 -33.0 -24.0 -25.0 -35.0 5 5.0 200 205.0 400 405.0 600 605.0 800 805.0 55.0 1000 200 205.0 Frequency (MHz) 400 405.0 600 605.0 Frequency (MHz) Directivity Coupled Port Return Loss 0.0 -21.0 -23.0 -10.0 -25.0 -15.0 -27.0 dB dB -5.0 -29.0 -20.0 -31.0 -25.0 -33.0 -30.0 5 5.0 200 205.0 400 405.0 600 605.0 800 805.0 1000 Frequency (MHz) -35.0 55.0 200 205.0 400 405.0 600 605.0 Frequency (MHz) S 1344 F 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.