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.
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 4.8 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
f
L
-f
U
L
M
U
L
M
U
L
M
U
L
M
U
Typ. Min Typ. Min Typ. Min Typ. Max. Typ. Max. Typ. Max. Max.
Max.
Max.
Max.
Max.
Max.
1-200
35
30
35
25
35
25
0.6
1.0
0.4
0.7
0.6
1.0
2
3
4
0.15
0.2
0.3
A
B
C
D
E
F
G
H
2.25
1.38
1.24
.50
.150 3.100
.138 1.238
57.15 35.05 31.50 12.70
3.81 78.74
3.51 31.45
J
K
L
M
N
P
Q
S
wt
3.25
.10
.78
1.47
--
.38
1.00
.150
grams
82.55
2.54 19.81 37.34
--
9.65 25.40
3.81
86.0
ZSC-3-1-75
INSERTION LOSS
4.5
4.7
4.9
5.1
5.3
5.5
0
40
80
120
160
200
FREQUENCY (MHz)
INSERTION
LOSS
(dB)
S-1(dB)
S-2(dB)
S-3(dB)
ZSC-3-1-75
ISOLATION
20
30
40
50
60
70
0
40
80
120
160
200
FREQUENCY (MHz)
ISOLATION
(dB)
1-2 (dB)
1-3 (dB)
2-3 (dB)
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
Typical Performance Data
Maximum Ratings
Coaxial Connections
SUMPORT
S
PORT 1
1
PORT 2
2
PORT 3
3
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
Power Input (as a splitter)
1W max.
Internal Dissipation
0.375W max.
Outline Drawing
Outline Dimensions ( )
inch
mm
ZSC-3-1-75
electrical schematic
3 Way-0 75 1 to 200 MHz
Power Splitter/Combiner
REV. OR
M94793
ZSC-3-1-75
HY/TD/CP
060906
Coaxial
CASE STYLE: P25
Connectors Model
Price
Qty.
BNC
ZSC-3-1-75
$52.95
(1-9)
BRACKET (OPTION "B")
$5.00
(1+)
BRACKET (OPTION "BR")
$1.50
(1+)
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
Applications
VHF
instrumentation
radio communication system
Freq.
(MHz)
Insertion Loss
(dB)
Amp.
Unbal.
(dB)
Isolation
(dB)
Phase
Unbal.
(deg.)
VSWR
S
VSWR
1
VSWR
2
VSWR
3
S-1
S-2
S-3
1-2
1-3
2-3
ZSC-3-1-75
VSWR
1.0
1.2
1.4
1.6
1.8
2.0
0
40
80
120
160
200
FREQUENCY (MHz)
V
S
W
R
#S-VSWR
#1-VSWR
Splitter Electrical Specifications
BNC version shown
1.00
4.98
4.93
4.92
0.06
40.87
42.29
28.44
0.48
1.20
1.16
1.19
1.18
5.00
4.94
4.89
4.91
0.05
48.19
49.46
35.58
0.32
1.19
1.13
1.13
1.12
8.00
4.94
4.93
4.92
0.02
48.35
49.54
37.59
0.17
1.19
1.13
1.13
1.13
17.00
4.93
4.92
4.93
0.01
47.87
48.58
40.94
0.15
1.20
1.14
1.14
1.13
38.00
4.96
4.96
4.95
0.02
47.63
47.55
43.21
0.11
1.23
1.17
1.17
1.16
59.00
4.98
4.98
4.99
0.01
49.01
46.07
44.52
0.19
1.27
1.21
1.20
1.20
80.00
5.00
5.02
5.00
0.02
53.96
44.90
45.44
0.09
1.32
1.25
1.25
1.25
89.00
5.03
5.03
5.00
0.03
56.96
44.03
45.65
0.19
1.35
1.27
1.27
1.27
100.00
5.02
5.04
5.04
0.02
57.39
42.71
45.36
0.29
1.38
1.30
1.30
1.29
124.00
5.09
5.10
5.10
0.02
47.00
40.05
42.84
0.22
1.45
1.35
1.35
1.35
156.00
5.14
5.17
5.14
0.03
39.72
36.08
38.10
0.22
1.55
1.42
1.42
1.42
180.00
5.20
5.24
5.23
0.03
35.87
33.63
34.83
0.35
1.63
1.47
1.46
1.46
188.00
5.26
5.28
5.26
0.02
34.82
32.87
33.92
0.10
1.66
1.49
1.48
1.48
196.00
5.28
5.31
5.28
0.03
33.80
32.08
33.04
0.28
1.69
1.50
1.49
1.49
200.00
5.29
5.30
5.27
0.03
33.27
31.63
32.52
0.28
1.71
1.51
1.50
1.50
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