Directional Coupler
50Ω
5 to 1000 MHz
Features
-40°C to 85°C
-55°C to 100°C
Surface Mount
JDC-10-4+
JDC-10-4
Maximum Ratings
Operating Temperature
Storage Temperature
Pin Connections
INPUT
OUTPUT
COUPLED
GROUND
ISOLATE (DO NOT USE)
1
6
3
2,5
4
• wideband, 5 to 1000 MHz
• low mainline loss, 1.0 dB typ.
• high directivity, 23 dB typ.
• good VSWR, 1.15 typ.
• excellent solderability
CASE STYLE: BH292
PRICE: $ 13.60 ea. QTY (25-49)
+ 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.
Applications
• communications
• VHF/UHF
Directional Coupler Electrical Specifications
FREQ.
(MHz)
COUPLING
(dB)
L
f
L
-f
U
5-1000
Nom.
10.5±0.5
Flatness
±0.6
Typ.
1.0
Max.
1.5
Typ.
1.0
Outline Drawing
MAINLINE LOSS
1
(dB)
M
Max.
1.5
Typ.
1.3
U
Max.
1.8
Typ.
23
L
Min.
18
DIRECTIVITY
(dB)
M
Typ.
23
Min.
18
Typ.
24
U
Min.
15
VSWR POWER
(:1) INPUT, W
L
Typ.
1.15
MU
Max. Max.
1.0
1.0
PCB Land Pattern
L = 5-50 MHz
M = 50-500 MHz
U = 500-1000 MHz
1. Mainline loss includes theoretical power loss at coupled port.
Typical Performance Data
Frequency
(MHz)
Suggested Layout,
Tolerance to be within
±.002
Mainline Loss
(dB)
In-Out
1.00
1.01
1.03
1.03
1.04
1.06
1.17
1.22
1.38
1.48
JDC-10-4
MAINLINE LOSS
Coupling
(dB)
In-Cpl
10.57
10.63
10.63
10.63
10.66
10.82
10.85
10.92
10.92
11.04
Directivity
(dB)
22.57
23.10
23.37
23.51
23.89
25.82
29.42
31.06
25.91
21.18
In
24.73
25.60
25.58
25.65
26.05
28.44
29.47
27.71
22.90
19.46
Return Loss
(dB)
Out
30.83
33.61
33.93
33.82
32.96
29.96
28.27
27.46
25.56
23.05
Cpl
21.85
26.74
26.28
25.95
25.10
21.30
18.25
16.72
14.79
13.72
5.00
23.00
41.00
58.00
113.00
328.00
520.00
640.00
840.00
1000.00
Outline Dimensions (
A
.280
7.11
H
.047
1.19
B
.310
7.87
J
.065
1.65
C
--
--
K
.065
1.65
D
.100
2.54
L
.300
7.62
E
.225
5.72
inch
mm
)
G
.100
2.54
wt
grams
0.45
MAINLINE LOSS (dB)
F
.055
1.40
JDC-10-4
COUPLING & DIRECTIVITY
60
COUPLING &
DIRECTIVITY (dB)
50
40
30
20
10
0
0
200
400
600
FREQUENCY (MHz)
800
1000
at RF level of -10 dBm
2.0
1.7
1.4
1.1
0.8
0.5
0
at RF level of -10 dBm
COUPLING
DIRECTIVITY
Demo Board MCL P/N: TB-185
Suggested PCB Layout (PL-046)
200
400
600
FREQUENCY (MHz)
800
1000
JDC-10-4
RETURN LOSS
60
RETURN LOSS (dB)
50
40
30
20
10
0
0
200
400
600
FREQUENCY (MHz)
800
1000
at RF level of -10 dBm
Electrical Schematic
CPL
IN
OUT
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TM
®
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IF/RF MICROWAVE COMPONENTS
REV. D
M119986
ED-5640
JDC-10-4
WZ/TD/CP/AM
081111
MINI [ MINI-CIRCUITS ]
