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| Directional Coupler 75 5 to 600 MHz Features -40C to 85C -55C to 100C Surface Mount LRDC-12-1-75J+ LRDC-12-1-75J Maximum Ratings Operating Temperature Storage Temperature * low mainline loss, 0.5 dB typ. * high directivity, 21 dB typ. * aqueous washable * J-leads for strain relief and excellent solderability CASE STYLE: QQQ569 PRICE: $11.95 ea. QTY (1-9) Pin Connections INPUT OUTPUT COUPLED GROUND ISOLATE (DO NOT USE) 6 1 4 2,5 3 Applications + 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. * VHF/UHF * signal sampling * communications * cable tv Outline Drawing Directional Coupler Electrical Specifications FREQ. (MHz) COUPLING (dB) L fL-fU 5-600 Nom. 12.20.5 Flatness 0.6 Typ. 0.4 Max. 0.8 Typ. 0.5 MAINLINE LOSS1 (dB) M Max. 1.0 Typ. 0.8 U Max. 1.5 Typ. 20 L Min. 17 DIRECTIVITY (dB) M Typ. 21 Min. 18 Typ. 20 U Min. 12 VSWR POWER (:1) INPUT, W L Typ. 1.3 MU Max. Max. 1.0 1.0 PCB Land Pattern L = low range [fL to 10 fL] M = mid range [10 fL to fU/2] U = upper range [fU/2 to fU] 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 0.68 0.67 0.66 0.67 0.69 0.71 0.77 0.79 0.84 0.92 LRDC-12-1-75J MAINLINE LOSS Coupling (dB) In-Cpl 12.25 12.24 12.24 12.24 12.26 12.27 12.28 12.20 12.11 12.05 Directivity (dB) 27.30 27.29 27.30 27.29 25.97 23.92 22.07 20.71 19.85 19.38 In 24.93 25.25 25.59 25.75 24.35 21.73 19.81 18.62 18.13 18.26 Return Loss (dB) Out 36.02 37.90 41.55 45.26 29.52 23.91 20.80 19.03 18.22 18.28 Cpl 24.62 24.76 24.92 24.96 24.21 23.15 21.77 20.45 19.44 18.73 Outline Dimensions ( inch ) mm A .390 9.91 H .420 10.67 B .31 7.87 J .120 3.05 C .225 5.72 K .060 1.52 D .060 1.52 L .100 2.54 E --M --F .100 2.54 G .045 1.14 wt grams 0.50 5.00 6.00 8.00 10.00 100.00 200.00 300.00 400.00 500.00 600.00 1.1 MAINLINE LOSS (dB) 1.0 0.9 0.8 0.7 0.6 0 at RF level of -10 dBm 40 COUPLING & DIRECTIVITY (dB) 30 20 10 0 at RF level of -10 dBm LRDC-12-1-75J COUPLING & DIRECTIVITY DIRECTIVITY COUPLING Demo Board MCL P/N: TB-34 Suggested PCB Layout (PL-043) 100 200 300 400 500 600 0 100 200 300 400 500 600 FREQUENCY (MHz) FREQUENCY (MHz) 50 RETURN LOSS (dB) at RF level of -10 dBm LRDC-12-1-75J RETURN LOSS IN OUT CPL Electrical Schematic 40 30 20 10 0 100 200 300 400 500 600 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. A M119986 LRDC-12-1-75J WZ/TD/CP/AM 081124 IF/RF MICROWAVE COMPONENTS |
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