Coaxial
ZADC-20-18-75+
ZADC-20-18-75
Directional Coupler
75Ω
800 to 1750 MHz
Maximum Ratings
Features
Operating Temperature
-55°C to 100°C
• wideband, 800 to 1750 MHz
• excellent mainline loss, 0.4 dB typ.
• excellent VSWR, 1.2:1 typ.
• rugged shielded case
Storage Temperature
Permanent damage may occur if any of these limits are exceeded.
-55°C to 100°C
CASE STYLE: F14
Connectors Model
Price
Qty.
Coaxial Connections
BNC
ZADC-20-18-75(+) $54.95 ea. (1-9)
INPUT
S
1
2
Applications
• catv
• GPS/cellular
• instrumentation
OUTPUT
COUPLED
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Directional Coupler Electrical Specifications
FREQ.
RANGE
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT
(W)
(dB)
Outline Drawing
fL-fU
Nom.
Flatness
Typ. Max.
Typ. Min.
Typ.
1.2
Max.
800-1750 19.8±0.6
±0.7
0.4
0.9
22
13
1.0
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency
(MHz)
Mainline Loss
(dB)
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In-Out
In
Out
Cpl
800.00
860.00
940.00
1040.00
1120.00
0.39
0.39
0.40
0.42
0.44
20.40
20.32
20.23
20.19
20.16
16.42
17.06
18.28
20.17
22.38
24.06
22.94
21.68
21.34
22.08
24.43
23.93
23.71
24.73
25.68
24.51
25.20
27.29
28.36
26.18
inch
Outline Dimensions (
)
mm
A
B
C
D
E
F
G
2.00
2.00
0.75
1.00
0.25 1.500 0.125
1220.00
1320.00
1435.00
1610.00
1750.00
0.48
0.52
0.57
0.63
0.70
20.11
20.05
19.95
19.82
19.75
26.29
29.14
24.27
18.04
15.32
23.42
24.76
25.05
22.84
20.01
25.91
26.25
26.85
31.24
24.63
24.97
24.58
24.31
24.71
24.61
50.80 50.80 19.05 25.40
6.35 38.10
3.18
H
0.39
J
1.00
K
0.50
L
1.00
wt
grams
170.0
9.91 25.40 12.70 25.40
ZADC-20-18-75
MAINLINE LOSS
ZADC-20-18-75
COUPLING & DIRECTIVITY
at RF level of -10 dBm
at RF level of -10 dBm
1.0
0.8
0.6
0.4
0.2
0.0
40
32
24
16
8
COUPLING
DIRECTIVITY
0
800
990
1180
1370
1560
1750
800
990
1180
1370
1560
1750
FREQUENCY (MHz)
FREQUENCY (MHz)
ZADC-20-18-75
RETURN LOSS
Electrical Schematic
at RF level of -10 dBm
50
42
34
26
18
10
IN
OUT
CPL
800
990
1180
1370
1560
1750
FREQUENCY (MHz)
Notes
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
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
REV. D
M131835
ED-7273/1
ZADC-20-18-75
WZ/TD/CP/AM
®
Mini-Circuits
131017
Page 1 of 1
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