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