4 Way-0 50
0.25 to 250 MHz
Power Splitter/Combiner
Coaxial
ZMSC-4-3
ZMSC-4-3
INSERTION LOSS
6.0
6.2
6.4
6.6
6.8
0
50
100
150
200
250
FREQUENCY (MHz)
I
N
SER
T
I
O
N
L
O
SS (d
B)
S-1(dB)
S-3(dB)
ZMSC-4-3
ISOLATION
20
28
36
44
52
60
0
50
100
150
200
250
FREQUENCY (MHz)
IS
O
L
A
T
IO
N (
d
B
)
1-2(dB)
2-3(dB)
3-4(dB)
ZMSC-4-3
VSWR
1.00
1.10
1.20
1.30
0
50
100
150
200
250
FREQUENCY (MHz)
VSW
R
#S-VSWR
#1-VSWR
#3-VSWR
Outline Dimensions ( )
inch
mm
Maximum Ratings
Coaxial Connections
Features
HF/VHF
radio communication
receivers/transmitters
SUM PORT
S
PORT 1
1
PORT 2
2
PORT 3
3
PORT 4
4
wideband, 0.25 to 250MHz
high isolation, 30 dB typ.
good VSWR 1.15:1 typ.
Applications
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
Power Input (as a splitter)
1W max.
Internal Dissipation
0.250W max.
Outline Drawing
Splitter Electrical Specifications
L
Typ. Min.
M
Typ. Min.
U
Typ. Min.
FREQ.
RANGE
(MHz)
PHASE
UNBALANCE
(Degrees)
L
Max.
U
Max.
M
Max.
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 6 dB
L
Typ. Max.
M
Typ. Max.
U
Typ. Max.
AMPLITUDE
UNBALANCE
(dB)
L
Max.
U
Max.
M
Max.
f
L
-f
U
0.25-250
33
20
30
20
27
20
0.4
0.7
0.5
0.75
0.7
1.2
4
6
10
0.15
0.20
0.25
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. OR
M96470
ZMSC-4-3
HY/TD/CP
060123
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
]
Freq.
(MHz)
Insertion Loss
(dB)
Amp.
Unbal.
(dB)
Isolation
(dB)
S-1
S-2
S-3
1-2
3-4
VSWR
S
Phase
Unbal.
(deg.)
VSWR
2
VSWR
3
VSWR
1
2-3
S-4
VSWR
4
Typical Performance Data
Connectors
Model
Price
Qty.
SMA
ZMSC-4-3
$64.95
(1-9)
BRACKET (OPTION "B")
$5.00
(1+)
BRACKET (OPTION "BR")
$1.50
(1+)
CASE STYLE: N24
A
B
C
D
E
F
G
H
J
1.50
1.13
1.00
.50
.155
2.345
.138
.987
2.50
38.10
28.70
25.40
12.70
3.94
59.56
3.51
25.07
63.50
K
L
M
N
P
Q
R
S
wt
.10
.32
.75
1.18
.31
.56
.81
.150 grams
2.54
8.13
19.05
29.97
7.87
14.22
20.57
3.81
45.0
0.25
6.20
6.20
6.20
6.19
0.01
28.97
54.63
29.13
0.06
1.11
1.19
1.19
1.18
1.19
0.50
6.21
6.20
6.20
6.21
0.01
31.12
54.58
31.26
0.09
1.07
1.12
1.12
1.11
1.12
1.00
6.20
6.20
6.20
6.21
0.01
31.99
55.08
32.12
0.10
1.05
1.09
1.09
1.09
1.09
2.50
6.18
6.17
6.17
6.17
0.01
32.86
55.05
33.09
0.10
1.04
1.07
1.07
1.07
1.07
3.00
6.17
6.16
6.16
6.17
0.01
33.09
54.93
33.26
0.11
1.03
1.07
1.07
1.06
1.06
10.00
6.17
6.17
6.16
6.16
0.01
33.40
52.68
33.34
0.07
1.03
1.05
1.05
1.05
1.05
55.00
6.26
6.27
6.27
6.26
0.01
29.06
42.32
28.92
0.12
1.07
1.03
1.03
1.03
1.03
100.00
6.33
6.33
6.34
6.33
0.02
26.26
38.85
26.11
0.15
1.11
1.01
1.01
1.01
1.01
130.00
6.38
6.38
6.38
6.39
0.02
25.25
37.66
25.12
0.26
1.12
1.04
1.04
1.03
1.03
150.00
6.40
6.40
6.40
6.41
0.01
24.95
37.30
24.83
0.22
1.13
1.06
1.06
1.05
1.05
180.00
6.44
6.43
6.44
6.44
0.01
25.03
37.10
24.89
0.30
1.14
1.10
1.10
1.09
1.08
200.00
6.49
6.47
6.48
6.49
0.02
25.40
37.03
25.29
0.37
1.14
1.12
1.12
1.11
1.11
220.00
6.49
6.48
6.49
6.50
0.02
26.14
36.72
26.05
0.41
1.14
1.15
1.15
1.13
1.13
240.00
6.54
6.54
6.53
6.56
0.02
27.54
35.94
27.44
0.34
1.15
1.17
1.17
1.16
1.15
250.00
6.55
6.55
6.53
6.57
0.04
28.48
35.32
28.41
0.38
1.15
1.19
1.19
1.17
1.16
electrical schematic
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