Directional Coupler Electrical Specifications (T
AMB
= 25C)
Maximum Ratings
Coaxial Connections
Features
INPUT
1
OUTPUT
2
COUPLED
3
very flat coupling
very broad, multi-octave
all welded construction
protected by U.S. Patents 6,140,887, 6,784,521 &
6,790,049
Operating Temperature
-40C to 85C
Storage Temperature
-55C to 100C
FREQ.
RANGE
(MHz)
COUPLING
(dB)
f
L
-f
U
5-1000
12.00.5
0.3
0.7
1.0
0.85 1.0
0.9 1.2
35
28
25
20
20
13
1.15
0.5
1.0
VSWR
(:1)
Nom.
Typ.
Flatness
POWER
INPUT, W
L
Max.
MU
Max.
DIRECTIVITY
(dB)
Typ.
Outline Drawing
Outline Dimensions ( )
inch
mm
ZX30-12-4+
ZX30-12-4
ZX30-12-4
MAINLINE LOSS
0.6
0.7
0.8
0.9
1.0
1.1
1.2
0
200
400
600
800
1000
FREQUENCY (MHz)
MA
INLINE
L
O
S
S
(
d
B
)
at RF level of -10 dBm
ZX30-12-4
RETURN LOSS
10
20
30
40
50
60
0
200
400
600
800
1000
FREQUENCY (MHz)
R
E
T
U
R
N
L
O
SS
(d
B)
IN
OUT
CPL
at RF level of -10 dBm
ZX30-12-4
COUPLING & DIRECTIVITY
0
10
20
30
40
50
0
200
400
600
800
1000
FREQUENCY (MHz)
C
O
UP
L
I
NG
&
DIR
E
CT
IVI
T
Y (
d
B)
DIRECTIVITY
COUPLING
at RF level of -10 dBm
Typical Performance Data
Frequency
(MHz)
Insertion Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In
Cpl
Out
A
B
C
D
E
F
G
.74
.90
.54
.50
.04
.16
.29
18.80
22.86
13.72
12.70
1.02
4.06
7.37
H
J
K
L
M
N
wt
.37
--
.122
.496
.106
.122 grams
9.40
--
3.10
12.60
2.69
3.10
20.0
L
Typ. Max.
M
Typ. Max.
U
Typ. Max.
L
Typ. Min.
M
Typ. Min.
U
Typ. Min.
VHF/UHF
communication receivers & transmitters
cellular
instrumentation
Applications
MAINLINE LOSS
1
(dB)
L = low range [f
L
to 10 f
L
] M = mid range [10 f
L
to f
U
/2] U = upper range [f
U
/2 to f
U
]
1. Mainline loss includes theoretical power loss at coupled port.
CASE STYLE: FL905
Connectors
Model
Price
Qty.
SMA
ZX30-12-4-S(+)
$29.95 (1-24)
INPUT
OUTPUT
COUPLED
electrical schematic
5.00
0.71
11.86
35.40
22.64
33.41
20.06
8.00
0.69
11.83
36.14
23.06
36.92
20.62
10.00
0.68
11.82
36.32
23.20
38.67
20.80
50.00
0.69
11.83
36.87
23.58
54.57
21.25
100.00
0.69
11.85
37.20
23.75
54.41
21.28
200.00
0.71
11.88
36.97
24.03
42.79
21.20
400.00
0.74
11.94
29.96
24.56
33.53
20.33
600.00
0.80
12.02
23.72
24.68
28.55
18.76
800.00
0.89
12.15
19.26
24.44
24.79
16.99
1000.00
1.02
12.37
16.05
23.85
22.08
15.31
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The + suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
50
5 to 1000 MHz
Directional Coupler
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
REV. G
M98898
ED-10213A/2
ZX30-12-4
WZ/TD/CP/AM
060627
Coaxial
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