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D18P Datasheet, PDF (1/1 Pages) Mini-Circuits – Directional Coupler 50Ω 1710 to 1990 MHz
Surface Mount
Directional Coupler
50Ω
1710 to 1990 MHz
D18P+
D18P
Maximum Ratings
Operating Temperature
Storage Temperature
-40°C to 85°C
-65°C to 150°C
Pin Connections
INPUT
4
OUTPUT
6
COUPLED
3
GROUND
1,2,5
Outline Drawing
PCB Land Pattern
Features
• low mainline loss, 0.3 dB typ.
• excellent VSWR, 1.2:1 typ.
• excellent repeatability
• miniature low profile package
• aqueous washable
Applications
• PCS
CASE STYLE: CA531-1
PRICE: $ 0.99 ea. QTY (25)
+ 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
FREQ.
RANGE
(MHz)
COUPLING
(dB)
Nominal
MAINLINE LOSS1
(dB)
Typ. Max.
1710-1990
18.0±1.8
0.3 0.5
1. Mainline loss includes theoretical power loss at coupled port.
2. 4W CW when operating with a 2.0:1 maximum VSWR on all ports.
DIRECTIVITY
(dB)
Typ. Min.
15 10
VSWR POWER
(:1) INPUT2
Typ.
Max.
1.2
1.0
Suggested Layout,
Tolerance to be within ±.002
Frequency
(MHz)
Typical Performance Data
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In
Out
Cpl
Outline Dimensions
(
) inch
mm
A
B
C
D
E
F
G
H
J
.052 .067 .106 .122 .035 .064 .087 .118 .067
1.32 1.70 2.69 3.10 0.89 1.63 2.21 3.00 1.70
K
L
M
N
P
Q
R
S wt
.083 .033 .042 .012 .020 .012 .006 .018 grams
2.11 0.84 1.07 0.30 0.51 0.30 0.15 0.46 0.020
Demo Board MCL P/N: TB-396+
Suggested PCB Layout (PL-270)
1710.00
0.26
1724.00
0.24
1752.00
0.26
1780.00
0.28
1836.00
0.26
1864.00
0.27
1920.00
0.28
1948.00
0.29
1976.00
0.29
1990.00
0.30
17.73
17.65
17.53
17.39
17.20
17.06
16.89
16.75
16.64
16.64
16.81
16.85
16.74
16.66
16.64
16.52
16.40
16.32
16.25
16.22
30.82
30.48
29.83
29.50
29.22
28.92
28.70
28.78
28.69
28.56
30.11
29.84
29.32
29.04
29.07
28.54
27.62
27.69
27.69
27.53
18.45
18.24
17.88
17.68
17.32
17.01
16.63
16.51
16.29
16.13
0.5 at RF level of -10 dBm
D18P
MAINLINE LOSS
0.4
0.3
0.2
0.1
0.0
1710
1766
50 at RF level of -10 dBm
42
1822
1878
FREQUENCY (MHz)
D18P
RETURN LOSS
1934
IN
OUT
CPL
34
26
18
10
1710
1766
1822
1878
FREQUENCY (MHz)
1934
1990
1990
D18P
COUPLING & DIRECTIVITY
18.5
18.0
at RF level of -10 dBm
COUPLING
DIRECTIVITY
17.5
17.0
16.5
16.0
1710
1766
1822
1878
1934
FREQUENCY (MHz)
1990
Electrical Schematic
ESD Rating
Human Body Model (HBM): Class 1A (250 v to <500 v) in accordance with ANSI/ESD STM 5.1 - 2001
Machine Model (MM): Class M1 (< 100 v) in accordance with ANSI/ESD STM 5.2 - 1999 (pass 50V)
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IF/RF MICROWAVE COMPONENTS
REV. D
M119986
D18P
JS/TD/CP/AM
081111