Coaxial

Power Splitter/Combiner ZSC-4-1-75+

4 Way-0° 75Ω 1 to 200 MHz
Maximum Ratings Features
• wideband, 1 to 200 MHz CASE STYLE: N27
Operating Temperature -55°C to 100°C
Connectors Model
Storage Temperature -55°C to 100°C
• good isolation, 25 dB typ.
BNC ZSC-4-1-75+
• excellent VSWR, 1.05:1 typ.
Power Input (as a splitter) 1W max. BRACKET(OPTION "B")
• rugged shielded case BRACKET(OPTION "BR")
Internal Dissipation 0.250W max.
Permanent damage may occur if any of these limits are exceeded.
Applications
Coaxial Connections • HF/VHF
SUM PORT S • radio communication
PORT 1 1
PORT 2 2
Electrical Specifications
PORT 3 3
FREQ. ISOLATION INSERTION LOSS (dB) PHASE AMPLITUDE
PORT 4 4 RANGE (dB) ABOVE 6.0 dB UNBALANCE UNBALANCE
(MHz) (Degrees) (dB)

L M U L M U L M U L M U
fL-fU Typ. Min. Typ. Min. Typ. Min. Typ. Max. Typ. Max. Typ. Max. Max. Max. Max. Max. Max. Max.

1-200 30 20 25 20 25 20 0.4 0.7 0.5 0.8 0.7 1.2 4 6 10 0.15 0.20 0.30

L = low range [fL to 10 fL] M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU]
Outline Drawing
Typical Performance Data
Freq. Total Loss1 Amp. Isolation Phase VSWR VSWR VSWR VSWR VSWR
(MHz) (dB) Unbal. (dB) Unbal. S 1 2 3 4
(dB) (deg.)
S-1 S-2 S-3 S-4 1-2 2-3 3-4

1.00 6.18 6.19 6.15 6.14 0.05 34.52 64.35 36.73 0.27 1.08 1.03 1.03 1.04 1.04
5.00 6.16 6.14 6.13 6.13 0.03 40.21 58.11 40.89 0.03 1.06 1.02 1.02 1.03 1.02
10.00 6.16 6.16 6.13 6.13 0.03 40.92 53.77 40.67 0.17 1.06 1.02 1.02 1.03 1.02
31.00 6.21 6.20 6.18 6.18 0.03 39.37 46.26 38.91 0.05 1.06 1.02 1.02 1.03 1.02
52.00 6.22 6.23 6.19 6.19 0.04 37.86 42.68 37.96 0.17 1.05 1.01 1.01 1.02 1.01
66.00 6.24 6.23 6.22 6.22 0.02 37.17 40.88 37.44 0.22 1.05 1.02 1.02 1.02 1.02
80.00 6.24 6.26 6.22 6.22 0.04 36.61 39.47 36.94 0.26 1.05 1.02 1.02 1.03 1.02
92.00 6.24 6.25 6.23 6.22 0.03 36.09 38.57 36.64 0.30 1.04 1.02 1.02 1.03 1.02
100.00 6.24 6.26 6.23 6.24 0.03 35.92 38.00 36.52 0.47 1.03 1.02 1.02 1.02 1.02
124.00 6.28 6.27 6.26 6.27 0.02 35.29 36.36 36.20 0.43 1.01 1.01 1.01 1.01 1.01
140.00 6.29 6.29 6.26 6.27 0.03 34.97 35.50 35.92 0.47 1.01 1.01 1.01 1.02 1.01
156.00 6.30 6.29 6.28 6.27 0.03 34.65 34.72 35.91 0.33 1.01 1.02 1.02 1.02 1.02
172.00 6.29 6.30 6.31 6.28 0.02 34.35 33.98 35.79 0.56 1.03 1.02 1.02 1.02 1.02
190.00 6.36 6.34 6.34 6.35 0.02 34.25 33.34 35.86 0.64 1.05 1.03 1.03 1.02 1.03
Outline Dimensions ( inch
mm )
200.00 6.35 6.33 6.34 6.31 0.03 33.98 33.01 35.79 0.67 1.05 1.02 1.02 1.02 1.02
A B C D E F G H J 1. Total Loss = Insertion Loss + 6dB splitter loss.
2.25 1.38 1.24 .50 .150 3.100 .138 1.238 3.25 ZSC-4-1-75+ ZSC-4-1-75+
57.15 35.05 31.50 12.70 3.81 78.74 3.51 31.45 82.55 TOTAL LOSS ISOLATION
6.8 80
K L M N P Q R S wt S-1(dB) S-3(dB) 1-2(dB) 2-3(dB) 3-4(dB)
.10 .48 1.13 1.78 .36 .69 1.01 .150 grams 70
TOTAL LOSS (dB)

6.6
ISOLATION (dB)

2.54 12.19 28.70 45.21 9.14 17.53 25.65 3.81 92.0

60

6.4 50

40
6.2
30

6.0 20
0 50 100 150 200 0 50 100 150 200
FREQUENCY (MHz) FREQUENCY (MHz)
ZSC-4-1-75+
VSWR
1.30
#S-VSWR #1-VSWR #3-VSWR electrical schematic
1.20
VSWR

1.10

1.00
0 50 100 150 200

Notes FREQUENCY (MHz)

A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled REV. D
to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp M151107

Mini-Circuits
® ZFSC-4-1-75+
HY/TD/CP/AM
151019
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com