E-Series 75 Ohm Coupler — 5 - 1000 MHz ELDC-17
E-Series 75 Ohm Coupler
5 - 1000 MHZ
Features
• Coupling 17db Typical
• Surface Mount
• Tape and Reel Packaging available
Description
M/A-COM’s ELDC-17 is a high performance 75 Ohm Coupler,
in a SM-55 low cost, surface mount package. The ELDC-17 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
SM-55 Package
Frequency Range 5 - 1000 MHz Units Nominal Typical Minimum Maximum
Mainline Loss 5 - 860 MHz
870 - 1000 MHz
Coupling 5 - 860 MHz
860 - 1000 MHz
Coupling Flatness dB — — — 1.0
Directivity 5 - 50 MHz
05 - 500 MHz
500 - 1000 MHz
Input Return Loss 5 - 50 MHz
50 - 500 MHz
500 - 1000 MHz
Output Return Loss 5 - 50 MHz
50 - 500 MHz
500 - 1000 MHz
Coupled Return Loss 5 - 50 MHz
50 - 500 MHz
500 - 1000 MHz
Please Note that the photograph above indicates package shape only, unit may be wired differently.
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.
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
— 0.5
17.2
17.0
—
—
—
—
—
—
—
—
—
—
—
0.6
—
—
40
22
12
25
23
25
29
26
28
25
24
24
— 1.0
—
—
30
16
8
20
20
20
20
23
23
20
20
20
± 0.7
± 0.8
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1.2
—
—
—
—
—
—
—
—
—
—
—
E-Series 75 Ohm Coupler — 5 - 1000 MHz ELDC-17
Operating Characteristics
Function Pin No.
Input 6
Output 1
Coupled 4
Ground 5
Not Connected 2
External 75 Ohms 3
Typical Performance @ 25°C
Mainline Loss
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
dB
-0.6
-0.7
-0.8
-0.9
-1.0
5.0 205.0 405.0 605.0 805.0
5 200 400 600 800 1000
Frequency (MHz)
Absolute Maximum Ratings
Parameter Absolute Maximum
RF Power 250 mW
DC Current 30 mA
Pin Temperature (10 sec) 260°C
Operating/Storage Temperature -40°C to +85°C
Input Return Loss
-20.0
-21.0
-22.0
-23.0
-24.0
-25.0
dB
-26.0
-27.0
-28.0
-29.0
-30.0
5.0 205.0 405.0 605.0 805.0
5 200 400 600 800 1000
Frequency (MHz)
Coupling
-16.0
-16.5
-17.0
-17.5
-18.0
dB
-18.5
-19.0
-19.5
-20.0
5 200 400 600 800 1000 5 200 400 600 800 1000
5.0 205.0 405.0 605.0 805.0
Frequency (MHz)
Directivity
0.0
-5.0
-10.0
-15.0
-20.0
dB
-25.0
-30.0
-35.0
-40.0
-45.0
5 200 400 600 800 1000
5.0 205.0 405.0 605.0 805.0
Frequency (MHz)
Output Return Loss
-25.0
-26.0
-27.0
-28.0
-29.0
-30.0
dB
-31.0
-32.0
-33.0
-34.0
-35.0
5.0 205.0 405.0 605.0 805.0
Frequency (MHz)
Coupled Port Return Loss
-20.0
-21.0
-22.0
-23.0
-24.0
-25.0
dB
-26.0
-27.0
-28.0
-29.0
-30.0
5.0 205.0 405.0 605.0 805.0
5 200 400 600 800 1000
Frequency (MHz)
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.
S 1387 D