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Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
PCB Land Pattern
Suggested Layout,
Tolerance to be within
.002
50 1710 to 1990 MHz
Directional Coupler
Surface Mount
CASE STYLE: CA531
PRICE: $ 0.99 ea. QTY (25)
Demo Board MCL P/N: TB-13
Suggested PCB Layout (PL-064)
Outline Dimensions ( )
inch
mm
Maximum Ratings
Pin Connections
INPUT
4
OUTPUT
6
COUPLED
3
GROUND
1,2,5
Outline Drawing
Directional Coupler Electrical Specifications
REV. C
M102713
D18P
JS/TD/CP
060721
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
T
wt
.083
.033
.042
.012
.020
.012
.007
.020
.012 grams
2.11
0.84
1.07
0.30
0.51
0.30
0.18
0.51
0.30 0.020
Typical Performance Data
+ 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.
D18P+
D18P
Operating Temperature
-40C to 85C
Storage Temperature
-65C to 150C
Features
low insertion loss, 0.3 dB typ.
excellent VSWR, 1.2:1 typ.
excellent repeatability
miniature low profile SOT 6 package
Applications
UHF
PCS
D18P
MAINLINE LOSS
0.0
0.1
0.2
0.3
0.4
0.5
1710
1766
1822
1878
1934
1990
FREQUENCY (MHz)
MAINLINE
LOSS
(dB)
at RF level of -10 dBm
D18P
COUPLING & DIRECTIVITY
16.0
16.5
17.0
17.5
18.0
18.5
1710
1766
1822
1878
1934
1990
FREQUENCY (MHz)
C
O
U
P
L
I
N
G
&
DIRECTIVITY
(dB)
COUPLING
DIRECTIVITY
at RF level of -10 dBm
D18P
RETURN LOSS
10
18
26
34
42
50
1710
1766
1822
1878
1934
1990
FREQUENCY (MHz)
R
E
T
U
R
N
L
O
S
S
(
d
B
)
IN
OUT
CPL
at RF level of -10 dBm
electrical schematic
Frequency
(MHz)
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
In
Return Loss
(dB)
Out
Cpl
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)
1710.00
0.26
17.73
16.81
30.82
30.11
18.45
1724.00
0.24
17.65
16.85
30.48
29.84
18.24
1752.00
0.26
17.53
16.74
29.83
29.32
17.88
1780.00
0.28
17.39
16.66
29.50
29.04
17.68
1836.00
0.26
17.20
16.64
29.22
29.07
17.32
1864.00
0.27
17.06
16.52
28.92
28.54
17.01
1920.00
0.28
16.89
16.40
28.70
27.62
16.63
1948.00
0.29
16.75
16.32
28.78
27.69
16.51
1976.00
0.29
16.64
16.25
28.69
27.69
16.29
1990.00
0.30
16.64
16.22
28.56
27.53
16.13
1. Mainline loss includes therotertical power loss at coupled port.
2. 4W CW when operating with a 2.0:1 maximum VSWR on all ports.
FREQ.
RANGE
(MHz)
COUPLING
(dB)
MAINLINE LOSS
1
(dB)
DIRECTIVITY
(dB)
VSWR
(:1)
POWER
INPUT
2
Typ. Max.
Typ.
Min.
Typ.
Max.
1710-1990
18.01.8
0.3
0.5
15
10
1.2
1.0
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