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JDC-20-2 Datasheet, PDF (1/1 Pages) Mini-Circuits – Directional Coupler 50Ω 400 to 900 MHz
Surface Mount
Directional Coupler
50Ω
400 to 900 MHz
JDC-20-2+
JDC-20-2
Maximum Ratings
Operating Temperature
Storage Temperature
-40°C to 85°C
-55°C to 100°C
Pin Connections
INPUT
1
OUTPUT
6
COUPLED
3
GROUND
2,5
ISOLATE (DO NOT USE)
4
Outline Drawing
PCB Land Pattern
Features
• low mainline loss, 0.2 dB typ.
• good VSWR, 1.15:1
• excellent solderability
CASE STYLE: BH292
PRICE: $ 13.60 ea. QTY (25-49)
Applications
• communications
• level detecting
• signal sampling
• reflective power measurements
• cellular
+ 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.
(MHz)
COUPLING
(dB)
MAINLINE LOSS1
(dB)
DIRECTIVITY
(dB)
VSWR POWER
(:1) INPUT, W
fL-fU
Nom. Flatness
Typ. Max.
400-900 20.5±1.0 ±1.0
0.2 0.6
1. Mainline loss includes theoretical power loss at coupled port.
Typ. Min.
19 13
L MU
Typ. Max. Max.
1.15 2.0 2.0
Suggested Layout,
Tolerance to be within ±.002
Outline Dimensions
(
) inch
mm
A
B
.280 .310
7.11 7.87
C
D
E
F
G
-- .100 .225 .055 .100
-- 2.54 5.72 1.40 2.54
H
J
K
L
.047 .065 .065 .300
1.19 1.65 1.65 7.62
wt
grams
0.45
Demo Board MCL P/N: TB-185
Suggested PCB Layout (PL-046)
Frequency
(MHz)
399.50
499.00
560.00
596.00
632.00
668.00
740.00
776.00
800.00
900.00
0.4 at RF level of -10 dBm
0.3
0.2
Typical Performance Data
Mainline Loss
(dB)
In-Out
Coupling
(dB)
In-Cpl
Directivity
(dB)
Return Loss
(dB)
In
Out
Cpl
0.19
20.43
19.02
25.70
27.30
17.20
0.20
20.30
19.98
28.30
32.30
18.50
0.18
20.27
20.02
27.30
28.30
19.10
0.21
20.23
20.02
26.40
26.40
19.10
0.23
20.18
19.69
25.70
25.70
19.40
0.23
20.14
19.79
24.90
24.90
19.40
0.24
20.02
18.94
23.70
23.70
19.40
0.24
20.00
18.59
23.10
22.60
19.40
0.26
19.96
18.23
22.60
22.10
19.40
0.28
19.77
16.93
22.10
20.80
18.50
JDC-20-2
MAINLINE LOSS
JDC-20-2
COUPLING & DIRECTIVITY
at RF level of -10 dBm
30
COUPLING
DIRECTIVITY
25
20
15
0.1
400
500
600
700
800
900
FREQUENCY (MHz)
at RF level of -10 dBm
35
30
25
20
15
10
400
500
JDC-20-2
RETURN LOSS
IN
OUT
CPL
600
700
800
900
FREQUENCY (MHz)
10
400
500
600
700
800
FREQUENCY (MHz)
Electrical Schematic
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IF/RF MICROWAVE COMPONENTS
900
REV. D
M119986
JDC-20-2
WZ/TD/CP/AM
081111