MACOM ELDC-14 Datasheet
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
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.
SM-55 Package
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
Coupling 5 - 870 MHz
870 - 1000 MHz
Coupling Flatness dB — — — 0.8
Directivity 5 - 870 MHz
870 - 1000 MHz
Input Return Loss 5 - 870 MHz
870 - 1000 MHz
Output Return Loss 5 - 870 MHz
870 - 1000 MHz
Coupled Return Loss 5 - 870 MHz
870 - 1000 MHz
Please Note that the photograph above indicates package shape only, unit may be wired differently.
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
— 0.8
14.3
14.3
—
—
—
—
—
—
—
—
1.0
—
—
25
20
25
23
25
25
23
23
— 1.5
—
—
15
13
20
18
20
20
18
18
± 0.5
± 0.7
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1.8
—
—
—
—
—
—
—
—
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 ELDC-14
Operating Characteristics
Function Pin No.
Input 6
Output 1
Coupled 4
External 75 Ohms 3
Ground 5
Not Connected 2
Typical Performance @ 25°C
Mainline Loss
0.0
-0.2
-0.4
-0.6
dB
-0.8
-1.0
-1.2
-1.4
5 200 400 600 800 1000
5.0 205.0 405.0 605.0 805.0
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
0.0
-5.0
-10.0
-15.0
dB
-20.0
-25.0
-30.0
5 200 400 600 800 1000
5.0 205.0 405.0 605.0 805.0
Frequency (MHz)
Coupling
-14.0
-14.2
-14.4
-14.6
-14.8
-15.0
dB
-15.2
-15.4
-15.6
-15.8
-16.0
5.0 205.0 405.0 605.0 805.0
5 200 400 600 800 1000 5 200 400 600 800 1000
Frequency (MHz)
Directivity
0.0
-5.0
-10.0
-15.0
-20.0
dB
-25.0
-30.0
-35.0
-40.0
5.0 205.0 405.0 605.0 805.0
5 200 400 600 800 1000
Frequency (MHz)
Output Return Loss
-21.0
-23.0
-25.0
-27.0
dB
-29.0
-31.0
-33.0
-35.0
5.0 205.0 405.0 605.0 805.0
Frequency (MHz)
Coupled Port Return Loss
-15.0
-16.0
-17.0
-18.0
-19.0
-20.0
dB
-21.0
-22.0
-23.0
-24.0
-25.0
5 200 400 600 800 1000
5.0 205.0 405.0 605.0 805.0
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 1371 D
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