Directional Coupler
50Ω
18dB
800 to 2000 MHz
Features
• excellent mainline loss, 0.5 dB typ.
• excellent VSWR, 1.15:1 typ.
• very flat coupling
±0.3
dB typ.
Coaxial
ZNDC-18-2G+
ZNDC-18-2G
Maximum Ratings
Operating Temperature
Storage Temperature
Power input
-55°C to 100°C
-55°C to 100°C
3W Max.
Permanent damage may occur if any of these limits are exceeded.
CASE STYLE: FM587
Connectors Model
Price
SMA
ZNDC-18-2G-S(+) $49.95
Qty.
(1-9)
Coaxial Connections
INPUT
OUTPUT
COUPLED
1
2
3
Applications
• cellular
• PCS
• ISM
FREQ.
RANGE
(MHz)
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
Directional Coupler Electrical Specifications
COUPLING
(dB)
Nom.
18.5±0.5
18.2±0.5
18.0±0.5
Max.
Flatness
±0.3
±0.4
±0.35
MAINLINE LOSS
(dB)
Typ. Max.
0.3
0.5
0.6
0.6
0.9
1.1
DIRECTIVITY
(dB)
Typ.
22
22
25
Min.
17
18
14
VSWR
(:1)
Typ.
1.1
1.2
1.3
POWER
INPUT
(W)
Max.
3
3
3
Outline Drawing
f
L
-f
U
800-2000
800-1000
1000-1700
1700-2000
Typical Performance Data
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
0.35
0.36
0.38
0.41
0.46
0.53
0.58
0.63
0.67
0.70
ZNDC-18-2G
MAINLINE LOSS
COUPLING & DIRECTIVITY
(dB)
42
39
36
33
30
27
24
21
18
15
800
1000
1200
1400
1600
1800
2000
Coupling
(dB)
In-Cpl
18.76
18.64
18.53
18.42
18.23
18.09
17.98
17.96
17.97
17.98
Directivity
(dB)
In
21.37
22.59
24.03
25.01
25.09
23.97
23.18
22.92
22.85
23.35
Return Loss
(dB)
Out
21.29
22.52
23.48
24.10
23.78
22.61
21.27
20.69
20.31
20.36
Cpl
21.05
21.97
22.73
23.40
23.61
21.52
19.43
18.20
16.89
15.85
800.00
900.00
1000.00
1100.00
1300.00
23.37
24.53
25.86
27.49
30.98
39.09
35.88
29.68
25.97
22.69
Outline Dimensions (
inch
)
mm
A
2.00
50.80
G
0.14
3.56
B
1.25
31.75
H
0.63
16.00
C
0.75
19.05
J
0.44
11.18
D
0.17
4.32
K
0.38
9.65
E
1.656
42.06
F
0.15
3.81
wt
grams
57.0
MAINLINE LOSS (dB)
1500.00
1700.00
1800.00
1900.00
2000.00
1.0
0.8
0.6
0.4
0.2
at RF level of -10 dBm
at RF level of -10 dBm
ZNDC-18-2G
COUPLING & DIRECTIVITY
COUPLING
DIRECTIVITY
0.0
800
1000
1200
1400
1600
1800
2000
FREQUENCY (MHz)
ZNDC-18-2G
RETURN LOSS
OUT
CPL
FREQUENCY (MHz)
Electrical Schematic
35
at RF level of -10 dBm
RETURN LOSS (dB)
31
27
23
19
15
800
IN
1000
1200
1400
1600
1800
2000
FREQUENCY (MHz)
ISO 9001 ISO 14001 AS 9100
CERTIFIED
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
The Design Engineers Search Engine
IF/RF MICROWAVE COMPONENTS
Mini-Circuits
®
For detailed performance specs
& shopping online see web site
®
Provides ACTUAL Data Instantly at
minicircuits.com
Notes: 1.
Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet.
2.
Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
3.
The parts covered by this specification sheet 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
M119986
ED-10022
ZNDC-18-2G
WZ/TD/CP/AM
090917
京公网安备 11010802033920号
EEWORLD
