TYPICAL PERFORMANCE
QHDZ-2N-0.45G
Coupling
Direct
-2
-5
-2.2
-2.4
-2.6
Coupling (dB)
-2.8
-3
-3.2
-3.4
-3.6
-35
-3.8
-4
380
-40
380
394
408
422
436
450
Frequency (MHz)
464
478
492
506
520
Isolation (dB)
-10
Coupled
0
Isolation
-15
-20
-25
-30
394
408
422
436
450
Frequency (MHz)
464
478
492
506
520
VSWR
-85
Port 1
1.3
Port 2
Port 3
Port 4
-86
-87
1.25
-88
Phase (degrees)
-89
-90
-91
-92
-93
1.05
-94
1
380
-95
380
Phase Balance
1.2
VSWR
1.15
1.1
394
408
422
436
450
Frequency (MHz)
464
478
492
506
520
394
408
422
436
450
Frequency (MHz)
464
478
492
506
520
MOUNTING CONFIGURATION
GROUND PLANE OF UNIT SHOULD
BE SOLDERED TO GROUND PLANE
OF CIRCUIT BOARD FOR OPTIMUM
PERFORMANCE.
0.537 [13.64]
0.380 [9.65]
GROUND PLANE
S
VIA H
UND OUG
GROD THR
TE
PLA
0.063 [1.60]
0.068 [1.73]
50 OHM LINE
.032 DIELECTRIC THICKNESS
ER = 3.38
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
0.034 TYP. [0.86]
0.050 [1.27]
MERRIMAC [ MERRIMAC INDUSTRIES, INC. ]
