Coaxial
Directional Coupler
50Ω 5 to 1000 MHz
ZX30-12-4+
Maximum Ratings
Operating Temperature
Storage Temperature
Features
• very flat coupling
-40°C to 85°C
-55°C to 100°C
CASE STYLE: FL905
• very broad, multi-octave
• all welded construction
• protected by U.S Patents 6,140,887 & 6,784,521
& 6,790,049
Connectors Model
Price
Qty.
Permanent damage may occur if any of these limits are exceeded.
SMA
ZX30-12-4-S+
$29.95 ea. (1-24)
Coaxial Connections
INPUT
1
2
3
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Applications
• VHF/UHF
• communications receivers & transmitters
• cellular
OUTPUT
COUPLED
• instrumentation
Directional Coupler Electrical Specifications (TAMB= 25°C)
FREQ.
(MHz)
COUPLING
MAINLINE LOSS1
(dB)
DIRECTIVITY
VSWR POWER
(:1) INPUT, W
(dB)
(dB)
L
M
U
L
M
U
L
MU
Typ.
fL-fU
Nom.
Flatness
Typ.
Typ. Max.
Typ. Max.
Typ. Max.
Typ. Min.
Typ. Min.
Typ. Min.
Max. Max.
±0.3
5-1000 12.0±0.5
0.7 1.0
0.85 1.0
0.9 1.4
35
28
25
20
20
13
1.15
0.5
1.0
Outline Drawing
L = low range [fL to 10 fL]
1. Mainline loss includes theoretical power loss at coupled port.
M = mid range [10 fL to fU/2]
U= upper range [fU/2 to fU]
Typical Performance Data
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In-Out
In
Out
Cpl
5.00
8.00
10.00
50.00
100.00
0.71
0.69
0.68
0.69
0.69
11.86
11.83
11.82
11.83
11.85
35.40
36.14
36.32
36.87
37.20
22.64
23.06
23.20
23.58
23.75
33.41
36.92
38.67
54.57
54.41
20.06
20.62
20.80
21.25
21.28
200.00
400.00
600.00
800.00
1000.00
0.71
0.74
0.80
0.89
1.02
11.88
11.94
12.02
12.15
12.37
36.97
29.96
23.72
19.26
16.05
24.03
24.56
24.68
24.44
23.85
42.79
33.53
28.55
24.79
22.08
21.20
20.33
18.76
16.99
15.31
inch
Outline Dimensions (
)
mm
ZX30-12-4+
COUPLING & DIRECTIVITY
ZX30-12-4+
MAINLINE LOSS
A
.74
B
.90
C
.54
D
.50
E
.04
1.02
F
.16
4.06
G
.29
7.37
at RF level of -10 dBm
at RF level of -10 dBm
50
40
30
20
10
0
1.2
18.80 22.86 13.72 12.70
DIRECTIVITY
COUPLING
1.1
1.0
0.9
0.8
0.7
0.6
H
.37
9.40
J
--
--
K
.122
3.10 12.60
L
.496
M
.106
2.69
N
wt
.122 grams
3.10 20.0
0
200
400
600
800
1000
0
200
400
600
800
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
Electrical Schematic
ZX30-12-4+
RETURN LOSS
at RF level of -10 dBm
60
50
40
30
20
10
IN
OUT
CPL
0
200
400
600
800
1000
FREQUENCY (MHz)
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled
to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp
REV. K
M125631
ED-10213A/2
ZX30-12-4+
WZ/TD/CP/AM
®
Mini-Circuits
131015
www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
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