TYPICAL PERFORMANCE
QHDZ-2H-1.6G
Coupling
Coupling
-2
-2.2
-2.4
Isolation (dB)
Coupling(dB)
-2.6
-2.8
-3
-3.2
-3.4
-3.6
-3.8
-4
1200
1300
1400
1500
1600
1700
Frequency (MHz)
1800
1900
2000
-50
-60
1200
-20
-30
-40
Isolation
Direct
0
-10
1300
1400
1500
1600
Frequency (MHz)
1700
1800
1900
2000
VSWR
Port1
1.3
1.25
Phase (degrees)
1.2
VSWR
1.15
1.1
1.05
1
1200
Phase Balance
Port3
Port4
-85
-86
-87
-88
-89
-90
-91
-92
-93
-94
-95
1200
1300
1400
1500
1600
Frequency (MHz)
1700
1800
1900
2000
Port2
1300
1400
1500
1600
Frequency (MHz)
1700
1800
1900
2000
MOUNTING CONFIGURATION
Ground plane of unit should
be soldered to ground plane
of circuit board for optimum
performance
50 OHM LINE
.032 DIELECTRIC THICKNESS
ER= 3.38
0.447
[11.35]
0.034 typ. [0.86]
0.351
[8.91]
0.250
[6.35]
GROUND VIAS
PLATED THRU
0.050
[1.28]
0.0630
[1.60]
GROUND PLANE
0.068
[1.73]
TRUTH TABLE
1
1
2
3
4
Input
Iso
-90°
0°
2
Iso
Input
0°
-90°
3
-90°
0°
Input
Iso
4
0°
-90°
Iso
Input
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. ]
