Surface Mount
Power Splitter/Combiner
SCA-4-20
4 Way-0° 50Ω
1000 to 2000 MHz
Maximum Ratings
Features
• wideband, 1000-2000 MHz
• high isolation, 20 dB typ.
• small surface mount package (0.25"x0.3")
• low profile (0.045")
OperatingTemperature
StorageTemperature
Power Input (as a splitter)
Internal Dissipation
-40°C to 85°C
-55°C to 100°C
5W max.
CASE STYLE: DZ944
PRICE: $7.95 ea. QTY (10-49)
0.25W max.
• welded leads
Pin Connections
SUM PORT
PORT 1
3
Applications
• PCS
• GPS
6
PORT 2
7
PORT 3
9
10
Splitter Electrical Specifications
PORT 4
GROUND
1,2,4,5,8
FREQ.
RANGE
(MHz)
fL-fU
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 6 dB
PHASE
UNBALANCE
(Degrees)
Max.
AMPLITUDE
UNBALANCE
(dB)
OutlineDrawing
Max.
Typ.
Min.
Typ.
Max.
1000-2000
1500-1700
1700-2000
15
20
20
8
17
17
1.0
1.0
1.5
1.8
1.2
1.8
5
5
5
0.9
0.8
0.9
Typical Performance Data
Freq.
(MHz)
InsertionLoss
(dB)
S-2 S-3 S-4
Amp.
Unbal.
(dB)
Isolation
(dB)
Phase VSWR VSWR VSWR VSWR VSWR
Unbal.
(deg.)
S
1
2
3
4
S-1
1-2
1-3
2-3
1000.00
1050.00
1100.00
1180.00
1260.00
7.13
7.15
7.01
6.94
6.87
6.97
6.96
6.85
6.73
6.68
6.94
6.89
6.78
6.62
6.58
7.29
7.25
7.11
7.00
6.94
0.35
0.36
0.33
0.38
0.36
10.70 17.43 18.86
11.34 17.57 19.08
12.12 18.22 20.08
13.40 18.71 20.81
14.79 19.24 21.60
0.86
0.31
0.48
0.93
1.09
2.15
1.98
1.88
1.66
1.47
1.42
1.40
1.39
1.36
1.38
1.29
1.27
1.25
1.25
1.25
1.27
1.25
1.23
1.21
1.20
1.44
1.41
1.39
1.37
1.35
1340.00
1420.00
1500.00
1540.00
1580.00
6.86
6.87
6.83
6.82
6.79
6.63
6.58
6.44
6.46
6.45
6.52
6.47
6.33
6.36
6.43
6.92
6.91
6.84
6.88
6.86
0.39
0.44
0.51
0.52
0.43
16.34 20.06 22.68
18.17 20.82 23.55
20.24 21.46 24.01
21.12 22.28 24.97
22.50 22.05 24.74
0.82
1.04
0.89
1.65
0.95
1.33
1.21
1.15
1.16
1.11
1.38
1.41
1.42
1.46
1.46
1.25
1.27
1.29
1.31
1.29
1.21
1.22
1.24
1.26
1.26
1.36
1.37
1.38
1.39
1.39
1660.00
1700.00
1820.00
1940.00
2000.00
6.88
6.99
7.09
7.20
7.31
6.47
6.52
6.56
6.67
6.76
6.46
6.46
6.52
6.63
6.75
7.00
7.06
7.14
7.27
7.38
0.54
0.60
0.62
0.64
0.63
25.31 22.91 25.80
27.50 23.57 26.06
37.89 23.68 26.33
27.96 23.34 25.78
22.79 21.89 23.53
1.54
2.23
1.50
1.94
1.31
1.15
1.17
1.11
1.05
1.20
1.47
1.51
1.50
1.51
1.48
1.29
1.30
1.28
1.24
1.21
1.27
1.28
1.26
1.24
1.21
1.41
1.42
1.42
1.42
1.41
inch
Outline Dimensions (
)
mm
A
.30
B
.250
6.35
C
.052
1.32
D
.274
6.96
E
.050
1.27
F
G
.050
.012
SCA-4-20
SCA-4-20
ISOLATION
INSERTION LOSS
7.62
1.27
0.30
at RF level of -10 dBm
at RF level of -10 dBm
8.0
50
40
30
20
ISO 1-2
ISO 1-3
ISO 2-3
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
H
.057
1.45
J
.004
0.10
K
.085
2.16
L
.296
7.52
M
.030
0.76
wt
grams
0.25
Demo Board MCL P/N: TB-241
Suggested PCB Layout (PL-125)
S-1(dB)
S-3(dB)
10
1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
FREQUENCY (MHz)
1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
FREQUENCY(MHz)
SCA-4-20
VSWR
at RF level of -10 dBm
3.0
2.5
2.0
1.5
1.0
0.5
0.0
#S-VSWR
#1-VSWR
#3-VSWR
1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
FREQUENCY (MHz)
®
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REV. A
M89033
ED-10653
SCA-4-20
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