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 3.0 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.
0.25-300
20
15
30
25
25
20
0.4 0.75 0.4 0.75 0.4
1.0
2
3
5
0.15
0.2
0.3
A
B
C
D
E
F
G
H
1.25
1.25
.75
.63
.38
1.00
.125 1.000
31.75
31.75
19.05
16.00
9.65
25.40
3.18 25.40
J
K
L
M
N
P
Q
wt
--
--
.125
1.688
2.18
.75
.07 grams
--
--
3.18
42.88
55.37
19.05
1.78
70.0
ZFSC-2-1-75
2 Way-0 75 0.25 to 300 MHz
Power Splitter/Combiner
Coaxial
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
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
Power Input (as a splitter)
1W max.
Internal Dissipation
0.125W max.
Outline Drawing
Outline Dimensions ( )
inch
mm
electrical schematic
REV. OR
M94482
ZFSC-2-1-75
HY/TD/CP
060915
Features
low insertion loss, 0.4 dB typ.
high isolation, 30 dB typ.
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
Applications
HF/VHF
amateur fan radio
communication systems
Coaxial Connections
SUMPORT
3
PORT 1
1
PORT 2
2
CASE STYLE: K18
Connectors Model
Price
Qty.
BNC
ZFSC-2-1-75
$45.95 (1-9)
BRACKET (OPTION "B")
$2.50
(1+)
ZFSC-2-1-75
INSERTION LOSS
3.0
3.1
3.2
3.3
3.4
3.5
0
50
100
150
200
250
300
FREQUENCY (MHz)
INSERTION
LOSS
(dB)
S-1(dB)
S-2(dB)
ZFSC-2-1-75
ISOLATION
15
20
25
30
35
40
0
50
100
150
200
250
300
FREQUENCY (MHz)
ISOLATION
(dB)
ZFSC-2-1-75
VSWR
1.00
1.10
1.20
1.30
1.40
1.50
0
50
100
150
200
250
300
FREQUENCY (MHz)
V
S
W
R
#S-VSWR
#1-VSWR
#2-VSWR
Splitter Electrical Specifications
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
3.23
3.23
0.00
19.70
0.01
1.18
1.49
1.49
1.10
3.20
3.20
0.00
32.56
0.02
1.10
1.17
1.17
1.80
3.18
3.18
0.00
34.82
0.02
1.10
1.15
1.15
2.50
3.17
3.17
0.01
35.51
0.02
1.10
1.14
1.14
6.00
3.15
3.15
0.00
36.11
0.00
1.10
1.12
1.12
9.00
3.17
3.16
0.01
36.18
0.08
1.10
1.12
1.11
38.00
3.19
3.18
0.01
35.33
0.06
1.10
1.11
1.11
94.00
3.21
3.21
0.01
32.50
0.01
1.10
1.12
1.12
150.00
3.22
3.23
0.01
29.91
0.12
1.12
1.12
1.12
194.00
3.25
3.26
0.01
28.27
0.12
1.12
1.13
1.13
238.00
3.24
3.26
0.02
26.88
0.18
1.13
1.15
1.14
270.00
3.26
3.29
0.02
26.03
0.10
1.14
1.15
1.15
280.00
3.25
3.29
0.03
25.76
0.07
1.14
1.15
1.15
290.00
3.25
3.29
0.04
25.53
0.14
1.14
1.15
1.15
300.00
3.27
3.31
0.04
25.30
0.12
1.14
1.16
1.16
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