TYPICAL PERFORMANCE
Coupling
Insertion Loss
0.5
0.4
0.3
0.2
0.1
0
-8
-8.5
-9
-9.5
-10
-0.1
-0.2
-0.3
-0.4
-0.5
-10.5
-11
-11.5
-12
960
980 1000 1020 1040 1060 1080 1100 1120 1140 1160 1180 1200 1220
Frequency (MHz)
960
980
1000 1020 1040 1060 1080 1100 1120 1140 1160 1180 1200 1220
Frequency (MHz)
VSWR
Directivity
0
-5
Port 1
Port 2
Port 3
Port 4
1.4
1.35
1.3
-10
-15
-20
-25
-30
-35
-40
1.25
1.2
1.15
1.1
1.05
1
960
980
1000 1020 1040 1060 1080 1100 1120 1140 1160 1180 1200 1220
Frequency (MHz)
960 980 1000 1020 1040 1060 1080 1100 1120 1140 1160 1180 1200 1220
Frequency (MHz)
MOUNTING CONFIGURATION
50 OHM LINE
.032 DIELECTRIC THICKNESS
ER= 3.38
Ground plane of unit should
be soldered to ground plane
of circuit board for optimum
performance
0.447
[11.35]
0.034 typ. [0.86]
GROUND VIAS
PLATED THRU
0.050
[1.28]
0.250
0.351
[6.35]
[8.91]
0.0630
[1.60]
GROUND PLANE
0.068
[1.73]
TRUTH TABLE
1
2
3
4
1
2
3
4
Input
Output
Isolated Coupled
Coupled Isolated
Output
Input
Isolated Coupled
Coupled Isolated
Input
Output
Input
Output
Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006
Tel: 1.888.434.MMFM / Fax: 973.882.5990 / Email: crm@merrimacind.com / www.merrimacind.com
MERRIMAC [ MERRIMAC INDUSTRIES, INC. ]
