Coaxial
Power Splitter/Combiner
4 Way-0° 50Ω 0.002 to 20 MHz
ZMSC-4-2+
Maximum Ratings
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
Features
• high isolation, 33 dB typ.
• rugged shielded case
-55°C to 100°C
-55°C to 100°C
1W max.
CASE STYLE: N24
Connectors Model
SMA
ZMSC-4-2+
BRACKET (OPTION "B")
BRACKET (OPTION "BR")
Applications
• HF
0.250W max.
Permanent damage may occur if any of these limits are exceeded.
• amateur radio
Coaxial Connections
SUM PORT
S
1
2
3
4
Electrical Specifications
PORT 1
FREQ.*
RANGE
(MHz)
ISOLATION
INSERTION LOSS (dB)
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
PORT 2
(dB)
ABOVE 6.0 dB
PORT 3
PORT 4
L
M
U
L
M
U
L
M
U
L
M
U
fL-fU
Typ. Min Typ. Min Typ. Min Typ. Max. Typ. Max. Typ. Max. Max.
30 20 33 25 33 25 0.45 0.75 0.3 0.5 0.7 1.0
Max.
Max.
8
Max.
0.15
Max.
Max.
0.25
0.002-20
4
6
0.20
L = low range [fL to 10 fL]
M = mid range [10 fL to fU/2]
U= upper range [fU/2 to fU]
* At low range frequency band (fL to 10 fL), linearly derate maximum power by 13dB.
Outline Drawing
Typical Performance Data
Freq.
(MHz)
Total Loss1
(dB)
Amp.
Unbal.
(dB)
Isolation
(dB)
Phase VSWR VSWR VSWR VSWR VSWR
Unbal.
(deg.)
S
1
2
3
4
S-1
S-2
S-3
S-4
1-2
2-3
3-4
0.002
0.005
0.010
0.014
0.020
6.440 6.440 6.410 6.410
6.260 6.260 6.260 6.260
6.230 6.230 6.230 6.220
6.220 6.220 6.220 6.220
6.220 6.220 6.220 6.220
0.030 28.370 24.590 29.080 0.320
0.010 29.820 30.590 29.890 0.200
0.000 30.090 35.540 30.080 0.110
0.000 30.110 37.820 30.110 0.080
0.000 30.120 39.980 30.110 0.060
1.580 1.860
1.410 1.360
1.380 1.210
1.380 1.180
1.860
1.360
1.210
1.180
1.150
1.920
1.380
1.220
1.180
1.150
1.920
1.380
1.220
1.180
1.150
1.370
1.150
0.142
0.265
0.510
1.000
5.000
6.220 6.220 6.220 6.220
6.220 6.220 6.220 6.220
6.220 6.220 6.220 6.220
6.220 6.220 6.230 6.220
6.320 6.320 6.320 6.320
0.000 30.110 44.600 30.110 0.020
0.000 30.100 44.820 30.120 0.040
0.000 30.120 44.840 30.140 0.050
0.000 30.190 44.690 30.200 0.090
1.370
1.370
1.370
1.370
1.130
1.130
1.130
1.130
1.130
1.130
1.130
1.130
1.110
1.130
1.130
1.130
1.120
1.110
1.130
1.130
1.130
1.120
1.110
0.010
31.240 42.390 31.090 0.280
1.390 1.110
10.000
12.000
15.000
18.000
20.000
6.410 6.410 6.420 6.410
6.440 6.440 6.450 6.440
6.480 6.480 6.480 6.480
6.510 6.510 6.520 6.520
6.530 6.530 6.540 6.540
0.010 32.480 39.090 31.850 0.530
0.010 32.970 38.030 32.080 0.630
0.010 33.770 36.690 32.420 0.780
0.010 34.700 35.550 32.820 0.920
0.010 35.410 34.890 33.160 1.030
1.400 1.090
1.390 1.090
1.380 1.080
1.360 1.070
1.350 1.070
1.090
1.090
1.080
1.070
1.070
1.090
1.090
1.080
1.070
1.070
1.090
1.090
1.080
1.070
1.060
inch
Outline Dimensions (
)
H
mm
1. Total Loss = Insertion Loss + 6dB splitter loss.
A
B
C
D
E
F
G
J
1.50
1.13
1.00
.50
.155 2.345
3.94 59.56
.138
.987
2.50
ZMSC-4-2+
TOTAL LOSS
ZMSC-4-2+
ISOLATION
38.10 28.70 25.40 12.70
3.51 25.07 63.50
6.8
6.6
6.4
6.2
6.0
60
52
44
36
28
20
K
.10
2.54
L
.32
M
.75
N
1.18
P
.31
Q
.56
R
.81
S
wt
.150 grams
3.81 45.0
S-1(dB)
S-3(dB)
1-2(dB)
2-3(dB)
3-4(dB)
8.13 19.05 29.97
7.87 14.22 20.57
0.001
0.01
0.1
1
10
100
0.001
0.01
0.1
1
10
100
FREQUENCY (MHz)
FREQUENCY (MHz)
ZMSC-4-2+
VSWR
2.00
1.80
1.60
1.40
1.20
1.00
electrical schematic
#S-VSWR
#1-VSWR
#3-VSWR
0.001
0.01
0.1
1
10
100
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. C
M153690
ZMSC-4-2
HY/TD/CP/AM
151211
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
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