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 Directional Coupler
50 400 to 900 MHz
Features
-40C to 85C -55C to 100C
Surface Mount
JDC-20-2+ JDC-20-2
Maximum Ratings
Operating Temperature Storage Temperature
* low mainline loss, 0.2 dB typ. * good VSWR, 1.15:1 * excellent solderability
CASE STYLE: BH292 PRICE: $ 13.60 ea. QTY (25-49)
Pin Connections
INPUT OUTPUT COUPLED GROUND ISOLATE (DO NOT USE) 1 6 3 2,5 4
Applications
* communications * level detecting * signal sampling * reflective power measurements * cellular
FREQ. (MHz)
fL-fU 400-900
+ 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
COUPLING (dB)
Nom. 20.51.0 Flatness 1.0
Outline Drawing
MAINLINE LOSS1 (dB)
Typ. 0.2 Max. 0.6
DIRECTIVITY (dB)
Typ. 19 Min. 13
VSWR POWER (:1) INPUT, W
Typ. 1.15 L MU Max. Max. 2.0 2.0
PCB Land Pattern
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 0.19 0.20 0.18 0.21 0.23 0.23 0.24 0.24 0.26 0.28
JDC-20-2 MAINLINE LOSS
Coupling (dB) In-Cpl 20.43 20.30 20.27 20.23 20.18 20.14 20.02 20.00 19.96 19.77
Directivity (dB)
In 25.70 28.30 27.30 26.40 25.70 24.90 23.70 23.10 22.60 22.10
Return Loss (dB) Out 27.30 32.30 28.30 26.40 25.70 24.90 23.70 22.60 22.10 20.80
Cpl 17.20 18.50 19.10 19.10 19.40 19.40 19.40 19.40 19.40 18.50
399.50 499.00 560.00 596.00 632.00 668.00 740.00 776.00 800.00 900.00
19.02 19.98 20.02 20.02 19.69 19.79 18.94 18.59 18.23 16.93
Outline Dimensions ( inch ) mm
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 F .055 1.40 G .100 2.54 wt grams 0.45
MAINLINE LOSS (dB)
JDC-20-2 COUPLING & DIRECTIVITY 30 COUPLING & DIRECTIVITY (dB) 25 20 15 10 400
at RF level of -10 dBm
0.4
at RF level of -10 dBm
COUPLING
DIRECTIVITY
0.3
Demo Board MCL P/N: TB-185 Suggested PCB Layout (PL-046)
0.2
0.1 400
500
600 700 FREQUENCY (MHz)
800
900
500
600 700 FREQUENCY (MHz)
800
900
JDC-20-2 RETURN LOSS 35 RETURN LOSS (dB) 30 25 20 15 10 400
at RF level of -10 dBm
Electrical Schematic
OUT CPL
IN
500
600 700 FREQUENCY (MHz)
800
900
Mini-Circuits
TM
(R)
minicircuits.com
ISO 9001 ISO 14001 AS 9100 CERTIFIED
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com
REV. D M119986 JDC-20-2 WZ/TD/CP/AM 081111
IF/RF MICROWAVE COMPONENTS


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