Surface Mount
JDC-20-2+
JDC-20-2
Directional Coupler
50Ω
400 to 900 MHz
Maximum Ratings
Operating Temperature Features
• low mainline loss, 0.2 dB typ.
• good VSWR, 1.15:1
• excellent solderability
-40°C to 85°C
Storage Temperature -55°C to 100°C
Permanent damage may occur if any of these limits are exceeded.
Pin Connections
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Applications
• communications
• level detecting
• signal sampling
• reflective power measurements
• cellular
INPUT1
OUTPUT6
COUPLED3
GROUND2,5
ISOLATE (DO NOT USE)
CASE STYLE: BH292
4
Directional Coupler Electrical Specifications
FREQ.
(MHz)
Outline Drawing
COUPLING
(dB)
MAINLINE LOSS1
(dB)
DIRECTIVITY
(dB)
VSWR POWER
(:1) INPUT, W
fL-fU
Nom.
Flatness
Typ.
Max.
Typ.
Min.
Typ.
400-900
20.5±1.0
±1.0
0.2
0.6
19
13
1.15
L
MU
Max. Max.
2.0
2.0
1. Mainline loss includes theoretical power loss at coupled port.
PCB Land Pattern
Typical Performance Data
Frequency
(MHz)
Outline Dimensions ( inch
mm )
B
.310
7.87
C
---
D
.100
2.54
H
.047
1.19
J
.065
1.65
K
.065
1.65
L
.300
7.62
E
.225
5.72
F
.055
1.40
G
.100
2.54
In
Return Loss
(dB)
Out
Cpl
0.19
0.20
0.18
0.21
0.23
20.43
20.30
20.27
20.23
20.18
19.02
19.98
20.02
20.02
19.69
25.70
28.30
27.30
26.40
25.70
27.3017.20
32.3018.50
28.3019.10
26.4019.10
25.7019.40
668.00
740.00
776.00
800.00
900.00
0.23
0.24
0.24
0.26
0.28
20.14
20.02
20.00
19.96
19.77
19.79
18.94
18.59
18.23
16.93
24.90
23.70
23.10
22.60
22.10
24.9019.40
23.7019.40
22.6019.40
22.1019.40
20.8018.50
JDC-20-2
MAINLINE LOSS
wt
grams
0.45
Demo Board MCL P/N: TB-185
Suggested PCB Layout (PL-046)
Directivity
(dB)
399.50
499.00
560.00
596.00
632.00
0.4
MAINLINE LOSS (dB)
A
.280
7.11
Coupling
(dB)
In-Cpl
JDC-20-2
COUPLING & DIRECTIVITY
at RF level of -10 dBm
30
0.3
0.2
0.1
400
500
600
700
FREQUENCY (MHz)
800
900
35
DIRECTIVITY
25
20
15
10
400
500
600
700
FREQUENCY (MHz)
800
900
Electrical Schematic
JDC-20-2
RETURN LOSS
at RF level of -10 dBm
IN
RETURN LOSS (dB)
at RF level of -10 dBm
COUPLING
COUPLING &
DIRECTIVITY (dB)
Suggested Layout,
Tolerance to be within ±.002
Mainline Loss
(dB)
In-Out
OUT
CPL
30
25
20
15
10
400
500
600
700
FREQUENCY (MHz)
800
900
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document 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
Mini-Circuits
®
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 [email protected]
REV. E
M151107
JDC-20-2
WZ/TD/CP/AM
150814