Coaxial
Power Splitter/Combiner
3 Way-0°
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
ZSC-3-1
50Ω
-55°C to 100°C
-55°C to 100°C
1W max.
0.375W max.
1 to 200 MHz
Features
• low insertion loss, 0.4 dB typ.
• high isolation, 40 dB typ.
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 1 deg. typ.
• excellent VSWR, 1.5:1 typ.
• rugged shielded case
Maximum Ratings
CASE STYLE: P25
Connectors Model
BNC
ZSC-3-1
BRACKET (OPTION "B")
BRACKET (OPTION "BR")
Price
$51.95
$5.00
$1.50
Qty.
(1-9)
(1+)
(1+)
Coaxial Connections
SUM PORT
PORT 1
PORT 2
PORT 3
S
1
2
3
Applications
• VHF
• instrumentation
• communication system
FREQ.
RANGE
(MHz)
f
L
-f
U
1-200
Splitter Electrical Specifications
INSERTION LOSS (dB)
ABOVE 4.8 dB
L
M
U
Typ. Max. Typ. Max. Typ. Max.
0.3
0.5
0.4
0.7
0.6
1.0
ISOLATION
(dB)
L
M
U
Typ. Min. Typ. Min. Typ. Min
45
30
40
25
40
25
PHASE
UNBALANCE
(Degrees)
L
Max.
1
M
Max.
2
U
Max.
4
AMPLITUDE
UNBALANCE
(dB)
L
Max.
0.15
M
Max.
0.2
U
Max.
0.3
Outline Drawing
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
]
Typical Performance Data
Freq.
(MHz)
Insertion Loss
(dB)
S-1
1.00
5.00
8.00
20.00
29.00
38.00
47.00
60.00
75.00
90.00
5.11
5.02
5.02
5.06
5.07
5.08
5.09
5.08
5.11
5.13
5.15
5.20
5.17
5.17
5.18
Amp.
Unbal.
(dB)
1-2
0.00
0.00
0.01
0.01
0.01
0.01
0.00
0.03
0.01
0.03
0.04
0.03
0.07
0.09
0.10
49.11
44.98
43.57
41.08
40.08
39.15
38.26
37.10
36.09
35.28
34.19
33.89
34.20
35.05
35.86
Isolation
(dB)
1-3
47.46
45.11
44.02
41.74
40.44
39.44
38.41
37.35
36.35
35.44
34.35
34.16
34.61
35.66
36.56
Phase VSWR VSWR VSWR VSWR
S
1
2
3
Unbal.
(deg.)
2-3
46.70
44.74
43.72
41.14
39.84
38.61
37.64
36.39
35.09
34.23
32.97
32.49
32.64
33.32
33.82
0.05
0.04
0.09
0.19
0.21
0.30
0.42
0.56
0.63
0.76
1.13
1.26
1.46
1.55
1.70
1.23
1.16
1.15
1.14
1.14
1.13
1.13
1.13
1.13
1.12
1.12
1.10
1.08
1.06
1.05
ZSC-3-1
ISOLATION
S-2
5.10
5.02
5.03
5.05
5.06
5.07
5.09
5.07
5.10
5.15
5.15
5.21
5.19
5.21
5.22
S-3
5.10
5.02
5.02
5.05
5.07
5.07
5.09
5.10
5.12
5.16
5.19
5.23
5.24
5.27
5.29
1.19
1.14
1.14
1.14
1.14
1.14
1.13
1.13
1.13
1.13
1.12
1.11
1.10
1.09
1.09
1.19
1.14
1.14
1.13
1.13
1.13
1.13
1.13
1.13
1.13
1.12
1.12
1.11
1.10
1.10
1.18
1.14
1.14
1.13
1.13
1.13
1.13
1.13
1.13
1.12
1.12
1.11
1.10
1.10
1.10
Outline Dimensions (
inch
)
mm
A
2.25
57.15
J
3.25
82.55
B
1.38
35.05
K
.10
2.54
C
1.24
31.50
L
.78
19.81
D
.50
12.70
M
1.47
37.34
E
.150
3.81
N
--
--
F
3.100
78.74
P
.38
9.65
G
.138
3.51
Q
1.00
25.40
H
1.238
31.45
S
.150
3.81
wt
grams
86.0
120.00
150.00
170.00
190.00
200.00
ZSC-3-1
INSERTION LOSS
5.4
INSERTION LOSS (dB)
S-1(dB)
S-2(dB)
S-3(dB)
60
1-2 (dB)
ISOLATION (dB)
54
48
42
36
30
0
40
80
1-3 (dB)
2-3 (dB)
5.3
5.2
5.1
5.0
4.9
0
40
80
120
160
200
FREQUENCY (MHz)
120
160
200
FREQUENCY (MHz)
ZSC-3-1
VSWR
1.30
1.25
1.20
VSWR
1.15
1.10
1.05
1.00
0
40
80
120
160
200
FREQUENCY (MHz)
#S-VSWR
#1-VSWR
electrical schematic
Mini-Circuits
ISO 9001 ISO 14001
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RF/IF MICROWAVE COMPONENTS
®
minicircuits.com
REV. OR
M94793
ZSC-3-1
HY/TD/CP
070220
EW
ALL N
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