ELDC-14 E-Series 75 Ohm Coupler 5 - 1000 MHz Features * * * SM-55 Package Coupling 14db Typical Surface Mount Tape and Reel Packaging available Description M/A-COM's ELDC-14 is a high performance 75 Ohm Coupler, in an SM-55 low cost, surface mount package. The ELDC-14 is designed for use in high volume CATV applications. Typical applications include Set-top Boxes, Network Interface Units, Cable Amplifiers and Headend equipment. Electrical Specifications @25C, Z0 = 75 Ohms Frequency Range 5 - 1000 MHz Units Nominal Typical Minimum Maximum Mainline Loss 5 - 870 MHz 870 - 1000 MHz dB dB -- 0.8 1.0 -- 1.5 1.8 Coupling 5 - 870 MHz 870 - 1000 MHz dB dB 14.3 14.3 -- -- -- -- 0.5 0.7 dB -- -- -- 0.8 Coupling Flatness Directivity 5 - 870 MHz 870 - 1000 MHz dB dB -- -- 25 20 15 13 -- -- Input Return Loss 5 - 870 MHz 870 - 1000 MHz dB dB -- -- 25 23 20 18 -- -- Output Return Loss 5 - 870 MHz 870 - 1000 MHz dB dB -- -- 25 25 20 20 -- -- Coupled Return Loss 5 - 870 MHz 870 - 1000 MHz dB dB -- -- 23 23 18 18 -- -- Please Note that the photograph above indicates package shape only, unit may be wired differently. S 1371 D Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. V 4.0 1 E-Series 75 Ohm Coupler, 5 - 1000 MHz Operating Characteristics ELDC-14 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) 260C External 75 Ohms 3 Operating/Storage Temperature -40C to +85C Ground 5 Not Connected 2 Typical Performance @ 25C Mainline Loss Input Return Loss 0.0 0.0 -0.2 -5.0 -0.4 -10.0 dB dB -0.6 -15.0 -0.8 -20.0 -1.0 -25.0 -1.2 -1.4 -30.0 5 5.0 200 205.0 400 405.0 600 605.0 800 805.0 1000 5 5.0 200 205.0 Frequency (MHz) 400 405.0 600 605.0 800 805.0 1000 805.0 800 1000 800 805.0 1000 Frequency (MHz) Coupling Output Return Loss -14.0 -21.0 -14.2 -23.0 -14.4 -14.6 -25.0 dB dB -14.8 -15.0 -27.0 -29.0 -15.2 -15.4 -31.0 -15.6 -33.0 -15.8 -16.0 -35.0 5.0 5 205.0 200 405.0 400 605.0 600 805.0 800 1000 5.0 5 205.0 200 Frequency (MHz) 405.0 400 605.0 600 Frequency (MHz) Directivity Coupled Port Return Loss 0.0 -15.0 -5.0 -16.0 -17.0 -10.0 -18.0 -19.0 dB dB -15.0 -20.0 -20.0 -21.0 -25.0 -22.0 -30.0 -23.0 -35.0 -24.0 -40.0 -25.0 5.0 5 205.0 200 405.0 400 605.0 600 805.0 800 1000 Frequency (MHz) 5 5.0 200 205.0 400 405.0 600 605.0 Frequency (MHz) S 1371 D Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. V 4.0 2