Directional Coupler
75Ω
Maximum Ratings
Operating Temperature
Storage Temperature
Coaxial
ZADC-20-18-75+
ZADC-20-18-75
800 to 1750 MHz
-55°C to 100°C
-55°C to 100°C
Features
Permanent damage may occur if any of these limits are exceeded.
Coaxial Connections
INPUT
OUTPUT
COUPLED
• wideband, 800 to 1750 MHz
• excellent mainline loss, 0.4 dB typ.
• excellent VSWR, 1.2:1 typ.
• rugged shielded case
CASE STYLE: F14
Connectors Model
BNC
ZADC-20-18-75(+)
Price
Qty.
$54.95 ea. (1-9)
S
1
2
Applications
• catv
• GPS/cellular
• instrumentation
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Directional Coupler Electrical Specifications
Outline Drawing
FREQ.
RANGE
(MHz)
f
L
-f
U
800-1750
COUPLING
(dB)
MAINLINE LOSS
1
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT
(W)
Max.
1.0
Nom.
19.8±0.6
Flatness
±0.7
Typ. Max.
0.4
0.9
Typ.
22
Min.
13
Typ.
1.2
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency
(MHz)
800.00
860.00
940.00
1040.00
1120.00
1220.00
1320.00
1435.00
1610.00
1750.00
Mainline Loss
(dB)
In-Out
0.39
0.39
0.40
0.42
0.44
0.48
0.52
0.57
0.63
0.70
ZADC-20-18-75
MAINLINE LOSS
Coupling
(dB)
In-Cpl
20.40
20.32
20.23
20.19
20.16
20.11
20.05
19.95
19.82
19.75
Directivity
(dB)
16.42
17.06
18.28
20.17
22.38
26.29
29.14
24.27
18.04
15.32
In
24.06
22.94
21.68
21.34
22.08
23.42
24.76
25.05
22.84
20.01
Return Loss
(dB)
Out
24.43
23.93
23.71
24.73
25.68
25.91
26.25
26.85
31.24
24.63
Cpl
24.51
25.20
27.29
28.36
26.18
24.97
24.58
24.31
24.71
24.61
Outline Dimensions (
inch
)
mm
A
2.00
50.80
H
0.39
9.91
B
2.00
50.80
J
1.00
25.40
C
0.75
19.05
K
0.50
12.70
D
1.00
25.40
L
1.00
25.40
E
0.25
6.35
F
1.500
38.10
G
0.125
3.18
wt
grams
170.0
1.0
MAINLINE LOSS (dB)
0.8
0.6
0.4
0.2
at RF level of -10 dBm
ZADC-20-18-75
COUPLING & DIRECTIVITY
40
COUPLING & DIRECTIVITY
(dB)
32
24
16
8
0
800
at RF level of -10 dBm
COUPLING
DIRECTIVITY
0.0
800
990
1180
1370
FREQUENCY (MHz)
1560
1750
990
1180
1370
FREQUENCY (MHz)
1560
1750
ZADC-20-18-75
RETURN LOSS
50
RETURN LOSS (dB)
42
34
26
18
10
800
at RF level of -10 dBm
Electrical Schematic
CPL
IN
OUT
990
1180
1370
FREQUENCY (MHz)
1560
1750
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
www.minicircuits.com
P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Mini-Circuits
®
REV. D
M131835
ED-7273/1
ZADC-20-18-75
WZ/TD/CP/AM
131017
Page 1 of 1
Embedded System
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