Ultra-Wideband, DC Pass
Directional Coupler
ZUDC20-183+
50Ω 20dB Up to 50W
0.5 to 18 GHz
Features
Maximum Ratings
• ultra wide frequency range, 0.5 to 18 GHz
• good coupling flatness, ±0.5 dB typ.
• good directivity, 22dB typ. up to 4 GHz
• good VSWR, 1.3:1 typ.
Operating Temperature
Storage Temperature
DC Current
-55°C to 100°C
CASE STYLE: HT1967
Connectors Model
-55°C to 100°C
3A
SMA
ZUDC20-183+
Supplied Termination
Permanent damage may occur if any of these limits are exceeded
1W
• DC current pass through input to output
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Applications
• cellular
• lab use
• WiMax
• ISM
Coaxial Connections
INPUT
OUTPUT
IN
OUT
CPL
—
• GSM
• PCN
COUPLED
TERMINATION (50Ω) INCLUDED
Electrical Specifications at 25°C
Parameter
Frequency (GHz)
Min.
Typ.
Max.
Units
Operating Frequency
0.5
18
GHz
Nominal Coupling
(inlclude flatness)
0.5 - 18
—
—
20 2
—
dB
dB
Outline Drawing
0.5 - 4
4 - 12.4
12.4 - 18
0.5 - 4
0.3
0.4
0.6
0.4
0.9
1.3
22
17
12
21
19
19
21
18
18
—
0.5
0.6
0.9
0.6
1.2
1.8
—
Coupling Flatness
IN
OUT
—
—
—
18
12
—
—
—
—
—
—
Mainline Loss
4 -12.4
12.4 - 18
0.5 - 4
dB
dB
dB
dB
W
Directivity
4 -12.4
12.4 - 18
0.5 - 4
—
—
—
inch
Outline Dimensions (
)
mm
Return Loss (In & Out)
Return Loss (Coupling)
Input Power 1,2
4 -12.4
12.4 - 18
0.5 - 4
—
A
6.47
164.34
B
.73
C
.51
D
1.48
E
3.500
88.90
—
—
18.54
12.95
37.59
4 -12.4
12.4 - 18
0.5 - 4
—
F
.11
2.79
G
H
wt
grams
120.0
—
.293 #4-40
7.44 UNC-2B
—
—
—
50
25
10
4 -12.4
12.4 - 18
—
—
1. At 25°C with no DC current. Derate linearly to 20, 10, 4W at 100°C
2. Peak power 3kW
Electrical Schematic
INCLUDED
TERMINATION
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. C
M154248
ZUDC20-183+
®
Mini-Circuits
RS/CP/AM
160330
Page 1 of 2
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