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| Directional Coupler 50 300 to 1100 MHz Features -40C to 85 C -55C to 100C Surface Mount LRDC-20-2+ LRDC-20-2 Maximum Ratings Operating Temperature Storage Temperature * low mainline loss, 0.25 dB typ. * high directivity, 17 dB typ. CASE STYLE: QQQ130 PRICE: $15.95 ea. QTY (1-9) Pin Connections INPUT OUTPUT COUPLED GROUND ISOLATE (DO NOT USE) 6 1 4 2,5 3 Applications * VHF/UHF * cellular * communications * signal sampling + 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. Outline Drawing Directional Coupler Electrical Specifications FREQ. (MHz) COUPLING (dB) MAINLINE LOSS1 (dB) DIRECTIVITY (dB) VSWR POWER (:1) INPUT, W L Max. 2.0 MU Max. 2.0 fL-fU Nom. Flatness 1.3 Typ. 0.25 Max. 0.6 Typ. 17 Min. 10 Typ. 1.2 300-1100 20.51.0 PCB Land Pattern 1. Mainline loss includes theoretical power loss at coupled port. Typical Performance Data Frequency (MHz) 300.00 438.46 576.92 715.38 807.69 900.00 950.00 1000.00 1050.00 1100.00 Mainline Loss (dB) In-Out 0.30 0.26 0.26 0.28 0.30 0.32 0.34 0.35 0.37 0.39 LRDC-20-2 MAINLINE LOSS Coupling (dB) In-Cpl 22.27 22.11 21.96 21.80 21.67 21.51 21.43 21.33 21.21 21.10 Directivity (dB) 18.46 17.25 16.06 15.20 14.83 14.54 14.42 14.34 14.26 14.24 In 15.52 18.41 20.51 22.14 22.93 23.56 23.84 23.91 23.80 23.78 Return Loss (dB) Out 15.46 18.43 20.53 22.18 23.08 23.66 24.00 24.09 24.04 24.01 Cpl 16.06 19.61 24.62 31.13 31.10 27.46 33.75 25.94 32.75 25.15 Suggested Layout, Tolerance to be within .002 Outline Dimensions ( inch ) mm A .400 10.16 H .420 10.67 B .31 7.87 J .120 3.05 C .200 5.08 K .060 1.52 D .10 2.54 L .100 2.54 E .010 0.25 M .020 0.51 F .100 2.54 G .050 1.27 wt grams 0.55 1.0 MAINLINE LOSS (dB) 0.8 0.6 0.4 0.2 at RF level of -10 dBm LRDC-20-2 COUPLING & DIRECTIVITY 40 COUPLING & DIRECTIVITY (dB) 30 20 10 at RF level of -10 dBm DIRECTIVITY COUPLING Demo Board MCL P/N: TB-31 Suggested PCB Layout (PL-087) 0.0 300 460 620 780 940 1100 0 300 460 620 780 940 1100 FREQUENCY (MHz) FREQUENCY (MHz) 50 RETURN LOSS (dB) 40 30 20 10 at RF level of -10 dBm LRDC-20-2 RETURN LOSS IN OUT CPL Electrical Schematic 0 300 460 620 780 940 1100 FREQUENCY (MHz) 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. C M119986 LRDC-20-2 WZ/TD/CP/AM 081111 IF/RF MICROWAVE COMPONENTS |
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