Coaxial
Power Splitter/Combiner
3 Way-0°
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
ZSC-3-2
50Ω
-55°C to 100°C
-55°C to 100°C
1W max.
0.375W max.
0.01 to 30 MHz
Features
• low insertion loss, .015 dB typ.
• high isolation, 40 dB typ.
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 0.5 deg. typ.
• rugged shielded case
Maximum Ratings
CASE STYLE: P25
Connectors Model
BNC
ZSC-3-2
BRACKET (OPTION "B")
BRACKET (OPTION "BR")
Price
$61.95
$5.00
$1.50
Qty.
(1-9)
(1+)
(1+)
Coaxial Connections
SUMPORT
PORT 1
PORT 2
PORT 3
S
1
2
3
Applications
• HF
• amateur radio
• communication system
FREQ.
RANGE
(MHz)
L
f
L
-f
U
0.01-30
Splitter Electrical Specifications
ISOLATION
(dB)
M
U
INSERTION LOSS (dB)
ABOVE 4.8 dB
L
M
U
PHASE
UNBALANCE
(Degrees)
L
Max.
1
M
Max.
2
U
Max.
4
AMPLITUDE
UNBALANCE
(dB)
L
Max.
0.2
M
Max.
0.3
U
Max.
0.4
Outline Drawing
Typ. Min Typ. Min Typ. Min
35
30
40
25
30
25
Typ. Max. Typ. Max. Typ. Max.
0.25 0.45 0.15 0.45 0.45 0.75
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
]
At low range frequency band (f
L
to 10 f
L
), linearly derate maximum input power by 13 dB.
Typical Performance Data
Freq.
(MHz)
Insertion Loss
(dB)
S-1
0.01
0.05
0.08
1.00
3.70
6.40
9.10
12.00
15.00
18.00
22.00
25.00
27.00
29.00
30.00
5.08
4.86
4.86
4.85
4.88
4.91
4.94
4.96
4.98
5.01
5.04
5.06
5.08
5.10
5.11
Amp.
Unbal.
(dB)
1-2
0.03
0.01
0.01
0.01
0.00
0.00
0.00
0.01
0.01
0.02
0.03
0.04
0.05
0.06
0.06
39.98
53.25
56.50
53.52
43.77
39.85
37.40
35.48
33.96
32.75
31.46
30.64
30.16
29.70
29.48
Isolation
(dB)
1-3
45.28
58.54
61.15
53.82
44.01
40.14
37.69
35.76
34.24
33.02
31.70
30.87
30.36
29.88
29.65
Phase VSWR VSWR VSWR VSWR
Unbal.
S
1
2
3
(deg.)
2-3
45.16
57.54
60.78
53.61
43.84
40.01
37.59
35.70
34.22
33.05
31.79
31.02
30.57
30.13
29.91
0.66
0.04
0.00
0.02
0.03
0.04
0.06
0.09
0.11
0.14
0.18
0.22
0.24
0.26
0.27
2.19
1.23
1.17
1.12
1.12
1.13
1.14
1.15
1.17
1.19
1.23
1.26
1.29
1.33
1.34
ZSC-3-2
ISOLATION
S-2
5.05
4.85
4.85
4.85
4.88
4.91
4.93
4.96
4.99
5.01
5.05
5.08
5.10
5.13
5.14
S-3
5.05
4.85
4.85
4.85
4.88
4.91
4.94
4.97
5.00
5.03
5.07
5.10
5.13
5.16
5.17
2.06
1.19
1.13
1.08
1.07
1.06
1.04
1.03
1.02
1.04
1.08
1.11
1.13
1.16
1.18
2.06
1.19
1.13
1.08
1.07
1.06
1.04
1.03
1.03
1.05
1.08
1.12
1.14
1.17
1.18
2.11
1.19
1.14
1.09
1.07
1.06
1.05
1.04
1.04
1.05
1.09
1.12
1.14
1.17
1.18
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-3-2
INSERTION LOSS
5.5
INSERTION LOSS (dB)
70
S-1(dB)
S-2(dB)
S-3(dB)
1-2 (dB)
ISOLATION (dB)
60
50
40
30
20
0.01
1-3 (dB)
2-3 (dB)
5.3
5.1
4.9
4.7
4.5
0.01
0.1
1
FREQUENCY (MHz)
10
100
0.1
1
FREQUENCY (MHz)
10
100
ZSC-3-2
VSWR
2.5
2.2
VSWR
1.9
1.6
1.3
1.0
0.01
#S-VSWR
#1-VSWR
electrical schematic
0.1
1
FREQUENCY (MHz)
10
100
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-3-2
HY/TD/CP
060906
Mini-Circuits
ISO 9001 & ISO 14001
Certified