Coaxial
Power Splitter/Combiner
ZMSC-2-1
2 Way-0° 50Ω
0.1 to 400 MHz
Maximum Ratings
Features
• wideband, 0.1 to 400 MHz
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
CASE STYLE: M21
• low insertion loss, 0.4 dB typ.
• good isolation, 25 dB typ.
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 0.2 deg. typ.
• rugged shielded case
-55°C to 100°C
1W max.
Connectors Model
SMA ZMSC-2-1
BRACKET (OPTION "B")
BRACKET (OPTION "BR")
Price
Qty.
(1-9)
(1+)
(1+)
$49.95
$5.00
$1.50
0.125W max.
Applications
Coaxial Connections
SUM PORT
• VHF/UHF
2
1
3
• instrumentation
• federal & defense communications
PORT 1
PORT 2
Splitter Electrical Specifications
FREQ.*
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 3.0 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
L
M
U
L
M
U
L
M
U
L
M
U
Outline Drawing
fL-fU
Typ. Min Typ. Min Typ. Min Typ. Max. Typ. Max. Typ. Max. Max.
Max.
Max.
4
Max.
0.15
Max.
Max.
0.30
0.1-400
20
15
25
M = mid range [10 fL to fU/2]
* At low range frequency band (fL to 10 fL), linearly derate maximum input power by 13 dB typ.
20
25
20
0.2 0.5 0.4 0.75 0.6 1.0
2
3
0.20
L = low range [fL to 10 fL]
U= upper range [fU/2 to fU]
Typical Performance Data
Frequency
(MHz)
Insertion Loss
(dB)
Amplitude
Unbalance
(dB)
Isolation
(dB)
Phase
Unbalance
(deg.)
VSWR
S
VSWR
1
VSWR
2
S-1
S-2
0.10
20.00
50.00
80.00
120.00
3.06
3.10
3.12
3.17
3.19
3.06
3.10
3.12
3.17
3.19
0.00
0.00
0.00
0.00
0.00
23.90
40.27
36.43
33.60
31.10
0.00
0.01
0.06
0.07
0.09
1.08
1.06
1.07
1.07
1.08
1.22
1.04
1.04
1.03
1.04
1.22
1.04
1.03
1.03
1.04
160.00
200.00
220.00
240.00
280.00
3.24
3.27
3.25
3.31
3.34
3.24
3.26
3.23
3.30
3.32
0.01
0.01
0.02
0.01
0.02
29.49
28.45
28.06
27.86
27.46
0.10
0.11
0.16
0.12
0.14
1.08
1.08
1.08
1.09
1.10
1.05
1.07
1.08
1.09
1.12
1.05
1.07
1.08
1.10
1.13
inch
Outline Dimensions (
)
G
mm
A
B
C
D
E
F
H
300.00
320.00
350.00
380.00
400.00
3.34
3.34
3.50
3.47
3.47
3.31
3.31
3.47
3.43
3.43
0.03
0.03
0.03
0.04
0.04
27.27
27.10
26.74
25.77
24.93
0.14
0.18
0.17
0.10
0.12
1.10
1.12
1.14
1.18
1.21
1.13
1.15
1.18
1.21
1.23
1.14
1.16
1.19
1.22
1.24
1.50
1.13
1.00
.50
.155 2.345
3.94 59.56
.138
3.51 25.07
.987
38.10 28.70 25.40 12.70
J
2.50
63.50
K
.10
2.54
L
.31
M
.75
N
P
S
wt
.150 grams
3.81 40.0
1.19
.66
7.87 19.05 30.23 16.76
ZMSC-2-1
ISOLATION
ZMSC-2-1
INSERTION LOSS
50
45
40
35
30
25
20
4.0
S-1(dB)
S-2(dB)
3.8
3.6
3.4
3.2
3.0
0
80
160
240
320
400
0
80
160
240
320
400
FREQUENCY (MHz)
FREQUENCY (MHz)
ZMSC-2-1
VSWR
electrical schematic
1.5
#S-VSWR
#1-VSWR
#2-VSWR
1.4
1.3
1.2
1.1
1.0
0
80
160
240
320
400
FREQUENCY (MHz)
REV. A
M98524
ZMSC-2-1
HY/TD/CP
060825
®
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