Surface Mount JDC-20-3-75+ JDC-20-3-75 Directional Coupler 75Ω 2 to 250 MHz Maximum Ratings Features Operating Temperature • low mainline loss, 0.3 dB typ. • high directivity, 30 dB typ. • excellent solderability -40°C to 85°C Storage Temperature -55°C to 100°C Pin Connections CASE STYLE: BH292 PRICE: $ 13.60 ea. QTY (25-49) + RoHS compliant in accordance with EU Directive (2002/95/EC) Applications INPUT 1 OUTPUT 6 COUPLED • communications • level detecting • signal sampling • reflective power measurements 3 GROUND 2,5 ISOLATE (DO NOT USE) 4 The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications. Directional Coupler Electrical Specifications FREQ. (MHz) Outline Drawing COUPLING (dB) MAINLINE LOSS1 (dB) L PCB Land Pattern M DIRECTIVITY (dB) U L VSWR POWER (:1) INPUT, W M U L MU fL-fU Nom. Flatness Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min. Typ. 2-250 19.2±0.5 ±0.5 0.4 0.8 0.3 0.7 0.4 0.7 24 16 30 20 20 15 1.1 In Return Loss (dB) Out Cpl Max. Max. 0.5 1.0 L = 2-20 MHz M = 20-125 MHz U = 125-250 MHz 1. Mainline loss includes theoretical power loss at coupled port. Typical Performance Data Frequency (MHz) Mainline Loss (dB) In-Out Coupling (dB) In-Cpl Directivity (dB) 1.00 4.00 7.00 10.00 50.00 0.44 0.30 0.28 0.28 0.30 19.22 19.23 19.24 19.24 19.26 23.26 29.11 30.46 31.30 30.27 23.55 28.64 29.97 30.50 31.34 24.40 31.07 33.28 34.28 33.32 23.02 28.66 30.26 30.94 32.19 90.00 130.00 150.00 180.00 250.00 0.32 0.35 0.37 0.40 0.46 19.28 19.32 19.35 19.38 19.45 27.59 25.09 23.75 22.06 18.52 31.42 30.66 29.92 28.50 25.22 30.68 28.22 26.97 25.21 21.84 33.55 35.94 37.80 41.60 37.78 Suggested Layout, Tolerance to be within ±.002 Outline Dimensions ( inch mm ) 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 JDC-20-3-75 MAINLINE LOSS wt grams 0.45 Demo Board MCL P/N: TB-33 Suggested PCB Layout (PL-044) JDC-20-3-75 COUPLING & DIRECTIVITY at RF level of -10 dBm 0.6 DIRECTIVITY 40 0.3 30 0.2 20 10 0.1 0 0.0 0 50 100 150 FREQUENCY (MHz) 200 250 0 50 100 150 FREQUENCY (MHz) 200 250 Electrical Schematic JDC-20-3-75 RETURN LOSS RETURN LOSS (dB) COUPLING 50 0.4 60 at RF level of -10 dBm 60 0.5 COUPLING & DIRECTIVITY (dB) B .310 7.87 MAINLINE LOSS (dB) A .280 7.11 at RF level of -10 dBm IN 50 OUT CPL 40 30 20 10 0 0 50 100 150 FREQUENCY (MHz) 200 250 Mini-Circuits ® 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 TM The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com IF/RF MICROWAVE COMPONENTS REV. C M119986 ED-5581 JDC-20-3-75 WZ/TD/CP/AM 081111