Coaxial
Directional Coupler
50Ω 5 to 1200 MHz
ZX30-9-4+
Maximum Ratings
Features
Operating Temperature
-40°C to 85°C
-55°C to 100°C
• very flat coupling
CASE STYLE: FL905
• very broad, multi-octave
• all welded construction
• protected by U.S Patents 6,140,887 & 6,784,521
& 6,790,049
Storage Temperature
Permanent damage may occur if any of these limits are exceeded.
Connectors Model
SMA ZX30-9-4-S+
Price
$29.95 ea. (1-24)
Qty.
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
DIRECTIVITY
VSWR POWER
(:1) INPUT, W
Outline Drawing
(dB)
(dB)
(dB)
L
M
U
L
M
U
L
MU
Typ.
fL-fU
Nom.
Flatness
±0.1
M = mid range [10 fL to fU/2]
Typ.
1.2
Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ.
1.1 1.4 1.1 1.4 1.3 1.8 21 19 20
U= upper range [fU/2 to fU]
Min.
15
Typ. Min.
Max. Max.
5-1200
8.9±0.5
16
12
0.5
1.0
L = low range [fL to 10 fL]
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
Directivity
(dB)
Return Loss
(dB)
(dB)
In-Out
In-Cpl
In
Out
Cpl
5.00
50.00
1.07
1.05
1.06
1.08
1.12
1.18
1.27
1.38
1.46
1.54
8.84
8.84
8.86
8.88
8.88
8.86
8.85
8.86
8.87
8.88
21.39
21.49
21.35
20.91
19.77
18.46
17.21
16.07
15.50
14.90
19.47
20.10
20.20
20.25
19.93
19.22
18.44
17.66
17.40
17.03
31.15
33.43
32.64
30.27
26.11
23.13
20.89
19.30
18.78
18.14
19.43
20.04
19.97
19.49
17.56
15.39
13.50
11.99
11.37
10.77
100.00
200.00
400.00
600.00
800.00
1000.00
1100.00
1200.00
inch
Outline Dimensions (
)
mm
ZX30-9-4+
MAINLINE LOSS
ZX30-9-4+
COUPLING & DIRECTIVITY
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
2.0
18.80 22.86 13.72 12.70
COUPLING
DIRECTIVITY
1.6
1.2
0.8
0.4
0.0
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
1200
0
200
400
600
800
1000
1200
FREQUENCY (MHz)
FREQUENCY (MHz)
Electrical Schematic
ZX30-9-4+
RETURN LOSS
at RF level of -10 dBm
50
40
30
20
10
IN
OUT
CPL
0
200
400
600
800
1000
1200
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. J
M119986
ED-10213A/1
ZX30-9-4+
®
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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