Coaxial
ZFSC-2-1-75
Power Splitter/Combiner
2 Way-0° 75Ω
0.25 to 300 MHz
Maximum Ratings
Features
• low insertion loss, 0.4 dB typ.
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
• high isolation, 30 dB typ.
-55°C to 100°C
1W max.
CASE STYLE: K18
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 0.2 deg. typ.
• very good return loss, VSWR, 1.15:1 typ.
• rugged shielded case
Connectors Model
BNC ZFSC-2-1-75
BRACKET (OPTION "B")
Price
$45.95
$2.50
Qty.
(1-9)
(1+)
0.125W max.
Coaxial Connections
Applications
• HF/VHF
• amateur fan radio
• communication systems
SUMPORT
3
1
2
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.
5
Max.
0.15
Max.
Max.
0.3
0.25-300
20
15
30
25
25
20
0.4 0.75 0.4 0.75 0.4 1.0
U= upper range [fU/2 to fU]
2
3
0.2
L = low range [fL to 10 fL]
M = mid range [10 fL to fU/2]
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
0.25
1.10
1.80
2.50
6.00
3.23
3.20
3.18
3.17
3.15
3.23
3.20
3.18
3.17
3.15
0.00
0.00
0.00
0.01
0.00
19.70
32.56
34.82
35.51
36.11
0.01
0.02
0.02
0.02
0.00
1.18
1.10
1.10
1.10
1.10
1.49
1.17
1.15
1.14
1.12
1.49
1.17
1.15
1.14
1.12
9.00
38.00
94.00
150.00
194.00
3.17
3.19
3.21
3.22
3.25
3.16
3.18
3.21
3.23
3.26
0.01
0.01
0.01
0.01
0.01
36.18
35.33
32.50
29.91
28.27
0.08
0.06
0.01
0.12
0.12
1.10
1.10
1.10
1.12
1.12
1.12
1.11
1.12
1.12
1.13
1.11
1.11
1.12
1.12
1.13
inch
Outline Dimensions (
)
mm
238.00
270.00
280.00
290.00
300.00
3.24
3.26
3.25
3.25
3.27
3.26
3.29
3.29
3.29
3.31
0.02
0.02
0.03
0.04
0.04
26.88
26.03
25.76
25.53
25.30
0.18
0.10
0.07
0.14
0.12
1.13
1.14
1.14
1.14
1.14
1.15
1.15
1.15
1.15
1.16
1.14
1.15
1.15
1.15
1.16
A
1.25
B
.25
C
75
D
63
E
38
F
.00
G
125
3.18 25.40
H
.000
1
.
.
.
1
.
1
31.75 31.75 19.05 16.00
9.65 25.40
J
K
L
125
M
.688
N
.18
P
75
Q
07
1.78
wt
rams
0.0
ZFSC-2-1-75
ISOLATION
ZFSC-2-1-75
INSERTION LOSS
-
-
-
-
.
1
2
.
.
g
--
--
3.18 42.88 55.37 19.05
7
40
35
30
25
20
15
3.5
3.4
3.3
3.2
3.1
3.0
S-1(dB)
S-2(dB)
0
50
100
150
200
250
300
0
50
100
150
200
250
300
FREQUENCY (MHz)
FREQUENCY (MHz)
ZFSC-2-1-75
VSWR
1.50
1.40
1.30
1.20
1.10
1.00
electrical schematic
#S-VSWR
#1-VSWR
#2-VSWR
0
50
100
150
200
250
300
FREQUENCY (MHz)
REV. OR
M94482
ZFSC-2-1-75
HY/TD/CP
060915
®
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