Coaxial
Power Splitter/Combiner
3 Way-0°
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
ZSC-3-1-75
75Ω
-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, 35 dB typ.
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 0.5 deg. typ.
• rugged shielded case
Maximum Ratings
BNC version shown
CASE STYLE: P25
Connectors Model
BNC
ZSC-3-1-75
BRACKET (OPTION "B")
BRACKET (OPTION "BR")
Price
$52.95
$5.00
$1.50
Qty.
(1-9)
(1+)
(1+)
Coaxial Connections
SUMPORT
PORT 1
PORT 2
PORT 3
S
1
2
3
Applications
• VHF
• instrumentation
• radio communication system
Splitter Electrical Specifications
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
L
f
L
-f
U
1-200
M
U
INSERTION LOSS (dB)
ABOVE 4.8 dB
L
M
U
PHASE
UNBALANCE
(Degrees)
L
Max.
2
M
Max.
3
U
Max.
4
AMPLITUDE
UNBALANCE
(dB)
L
Max.
0.15
M
Max.
0.2
U
Max.
0.3
Outline Drawing
Typ. Min Typ. Min Typ. Min
35
30
35
25
35
25
Typ. Max. Typ. Max. Typ. Max.
0.6
1.0
0.4
0.7
0.6
1.0
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
17.00
38.00
59.00
80.00
89.00
100.00
124.00
156.00
180.00
188.00
196.00
200.00
4.98
4.94
4.94
4.93
4.96
4.98
5.00
5.03
5.02
5.09
5.14
5.20
5.26
5.28
5.29
Amp.
Unbal.
(dB)
1-2
0.06
0.05
0.02
0.01
0.02
0.01
0.02
0.03
0.02
0.02
0.03
0.03
0.02
0.03
0.03
40.87
48.19
48.35
47.87
47.63
49.01
53.96
56.96
57.39
47.00
39.72
35.87
34.82
33.80
33.27
Isolation
(dB)
1-3
42.29
49.46
49.54
48.58
47.55
46.07
44.90
44.03
42.71
40.05
36.08
33.63
32.87
32.08
31.63
Phase VSWR VSWR VSWR VSWR
Unbal.
S
1
2
3
(deg.)
2-3
28.44
35.58
37.59
40.94
43.21
44.52
45.44
45.65
45.36
42.84
38.10
34.83
33.92
33.04
32.52
0.48
0.32
0.17
0.15
0.11
0.19
0.09
0.19
0.29
0.22
0.22
0.35
0.10
0.28
0.28
1.20
1.19
1.19
1.20
1.23
1.27
1.32
1.35
1.38
1.45
1.55
1.63
1.66
1.69
1.71
ZSC-3-1-75
ISOLATION
S-2
4.93
4.89
4.93
4.92
4.96
4.98
5.02
5.03
5.04
5.10
5.17
5.24
5.28
5.31
5.30
S-3
4.92
4.91
4.92
4.93
4.95
4.99
5.00
5.00
5.04
5.10
5.14
5.23
5.26
5.28
5.27
1.16
1.13
1.13
1.14
1.17
1.21
1.25
1.27
1.30
1.35
1.42
1.47
1.49
1.50
1.51
1.19
1.13
1.13
1.14
1.17
1.20
1.25
1.27
1.30
1.35
1.42
1.46
1.48
1.49
1.50
1.18
1.12
1.13
1.13
1.16
1.20
1.25
1.27
1.29
1.35
1.42
1.46
1.48
1.49
1.50
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
ZSC-3-1-75
INSERTION LOSS
5.5
INSERTION LOSS (dB)
S-1(dB)
S-2(dB)
S-3(dB)
70
1-2 (dB)
1-3 (dB)
2-3 (dB)
ISOLATION (dB)
0
40
80
120
160
200
5.3
5.1
4.9
4.7
4.5
FREQUENCY (MHz)
60
50
40
30
20
0
40
80
120
160
200
FREQUENCY (MHz)
ZSC-3-1-75
VSWR
2.0
#S-VSWR
#1-VSWR
electrical schematic
1.8
VSWR
1.6
1.4
1.2
1.0
0
40
80
120
160
200
FREQUENCY (MHz)
Distribution Centers
NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits
®
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV. OR
M94793
ZSC-3-1-75
HY/TD/CP
060906
Mini-Circuits
ISO 9001 & ISO 14001
Certified
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