Document
E-Series 75 Ohm Coupler — 5 - 1000 MHz
ELDC-14
E-Series 75 Ohm Coupler 5 - 1000 MHZ
Features
• • • Coupling 14db Typical Surface Mount Tape and Reel Packaging available
SM-55 Package
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 @25°C, Z0 = 75 Ohms
Frequency Range 5 - 1000 MHz Mainline Loss Coupling Coupling Flatness Directivity Input Return Loss Output Return Loss Coupled Return Loss 5 - 870 MHz 870 - 1000 MHz 5 - 870 MHz 870 - 1000 MHz 5 - 870 MHz 870 - 1000 MHz 5 - 870 MHz 870 - 1000 MHz 5 - 870 MHz 870 - 1000 MHz 5 - 870 MHz 870 - 1000 MHz Units dB dB dB dB dB dB dB dB dB dB dB dB dB Nominal — 14.3 14.3 — — — — — — — — — Typical 0.8 1.0 — — — 25 20 25 23 25 25 23 23 Minimum — — — — 15 13 20 18 20 20 18 18 Maximum 1.5 1.8 ± 0.5 ± 0.7 0.8 — — — — — — — —
Please Note that the photograph above indicates package shape only, unit may be wired differently.
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M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s 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
ELDC-14
Operating Characteristics
Function Input Output Coupled External 75 Ohms Ground Not Connected Pin No. 6 1 4 3 5 2
Absolute Maximum Ratings
Parameter RF Power DC Current Pin Temperature (10 sec) Operating/Storage Temperature Absolute Maximum 250 mW 30 mA 260°C -40°C to +85°C
Typical Performance @ 25°C
Mainline Loss
0.0 -0.2 -0.4 -10.0 -0.6 0.0 -5.0
Input Return Loss
dB
dB
-0.8 -1.0 -1.2 -1.4
-15.0 -20.0 -25.0 -30.0
5 5.0
200 205.0
400 405.0
600 605.0
800 805.0
1000
5 5.0
200 205.0
400 405.0
600 605.0
800 805.0
1000
Frequency (MHz)
Frequency (MHz)
Coupling
-14.0 -14.2 -14.4 -14.6 -14.8 -21.0 -23.0 -25.0
Output Return Loss
dB
-15.0 -15.2 -15.4 -15.6 -15.8 -16.0 5.0 5 205.0 200 405.0 400 605.0 600 805.0 800
dB
1000
-27.0 -29.0 -31.0 -33.0 -35.0 5.0 5 205.0 200 405.0 400 605.0 600 805.0 800
1000
Frequency (MHz)
Frequency (MHz)
Directivity
0.0 -5.0 -10.0 -15.0 -15.0 -16.0 -17.0 -18.0 -19.0
Coupled Port Return Loss
dB
-20.0 -25.0 -30.0 -35.0 -40.0 5.0 5 205.0 200 405.0 400 605.0 600 805.0 800
dB
1000
-20.0 -21.0 -22.0 -23.0 -24.0 -25.0
5 5.0
200 205.0
400 405.0
600 605.0
800 805.0
1000
Frequency (MHz)
Frequency (MHz)
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M/A-COM Division of AMP Incorporated s North America: Tel. (800) 366-2266, Fax (800) 618-8883 s Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087 s 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.
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