MA-COM ELDC-8

E-Series 75 Ohm Coupler — 5 - 1000 MHz
ELDC-8
E-Series 75 Ohm Coupler
5 - 1000 MHz
Features
•
•
•
•
SM-55 Package
Coupling 8dB Typical
Surface Mount
Low Profile
Tape and Reel Packaging available
Description
M/A-COM’s ELDC-8 is a high performance 75 Ohm Coupler, in
a SM-55 low cost, surface mount package. The ELDC-8 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 - 870 MHz
870 - 1000 MHz
dB
dB
—
1.5
2.1
—
2.3
2.6
Coupling
5 - 870 MHz
870 - 1000 MHz
dB
dB
7.9
7.9
—
—
—
—
± 0.6
± 0.8
dB
—
—
—
0.9
Coupling Flatness
Directivity
5 - 870 MHz
870 - 1000 MHz
dB
dB
—
—
17
13
11
10
—
—
Input Return Loss
5 - 50 MHz
50 - 870 MHz
870 - 1000 MHz
dB
dB
dB
—
—
—
18
18
20
17
16
16
—
—
—
Output Return Loss
5 - 50 MHz
50 - 870 MHz
870 - 1000 MHz
dB
dB
dB
—
—
—
22
34
24
24
20
18
—
—
—
Coupled Return Loss
5 - 50 MHz
50 - 870 MHz
870 - 1000 MHz
dB
dB
dB
—
—
—
19
20
20
16
16
16
—
—
—
*Notes:
1.Core is coated with Paralyene C, 0.005” thick minimum.
2.Wire is heavy poly-nylon coated, rated to 180ºC.
S 1349 E
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-8
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
External 75 Ohms
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
-0.5
-5.0
-1.0
-10.0
dB
dB
0.0
-1.5
-15.0
-2.0
-20.0
-2.5
-25.0
5
5.0
200
205.0
400
405.0
600
605.0
800
805.0
5
5.0
1000
200
205.0
Frequency (MHz)
Coupling
600
605.0
800
805.0
1000
800
805.0
1000
800
1000
Output Return Loss
-7.0
0.0
-7.2
-5.0
-7.4
-10.0
-7.6
-15.0
dB
-7.8
dB
400
405.0
Frequency (MHz)
-8.0
-8.2
-20.0
-25.0
-30.0
-8.4
-8.6
-35.0
-8.8
-40.0
-45.0
-9.0
55.0
200
205.0
400
405.0
600
605.0
800
805.0
55.0
1000
200
205.0
400
405.0
600
605.0
Frequency (MHz)
Frequency (MHz)
Directivity
Coupled Port Return Loss
-1 5.0
0.0
-1 6.0
-1 7.0
-5.0
-1 8.0
-10.0
dB
dB
-1 9.0
-15.0
-2 0.0
-2 1.0
-2 2.0
-20.0
-2 3.0
-2 4.0
-25.0
55.0
200
205.0
400
405.0
600
605.0
800
805.0
1000
Frequency (MHz)
-2 5.0
5
5.0
200
2 0 5.0
400
4 0 5.0
600
60 5 .0
8 05 .0
F re qu en cy (M H z)
S 1349 E
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.