Surface Mount Directional Coupler ADC-18-4-75R+ 75Ω 20 to 1000 MHz Maximum Ratings Operating Temperature -40°C to 85°C Storage Temperature -55°C to 100°C Pin Connections INPUT OUTPUT COUPLED GROUND NOT USED 1 6 3 2,5 4 Features CASE STYLE: CD542 PRICE:$7.95 ea. QTY (10-49) • wideband, 20-1000 MHz • good directivity, 25 dB typ. • excellent VSWR, 1.15:1 typ. • internal load, no external components required • aqueous washable • protected by US Patent 6,133,525 & 6,140,887 + RoHS compliant in accordance with EU Directive (2002/95/EC) The +Suffix has been added in order to identify RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications. Applications • CATV power tap Directional Coupler Electrical Specifications FREQ. (MHz) Outline Drawing COUPLING (dB) fL-fU Nom. 20-1000 17.7±0.5 Flatness ±0.5 MAINLINE LOSS1 (dB) DIRECTIVITY (dB) VSWR POWER (:1) INPUT, W L M U L M U Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min. 0.6 1.0 0.5 0.9 0.7 1.2 30 19 25 18 20 11 Typ. Max. 1.15 1.0 L= 20-200 MHz M= 200-500 MHz U= 500-1000 MHz 1. Mainline loss includes theoretical power loss at coupled port. Typical Performance Data Frequency (MHz) Coupling (dB) In-Cpl Directivity (dB) Mainline Loss (dB) In-Out 20.00 50.00 100.00 240.00 400.00 0.64 0.58 0.55 0.56 0.60 17.79 17.73 17.70 17.71 17.67 32.89 41.84 43.88 30.92 24.83 540.00 680.00 800.00 900.00 1000.00 0.65 0.71 0.76 0.80 0.86 17.63 17.55 17.47 17.40 17.33 21.34 18.57 16.59 15.17 13.84 PCB Land Pattern Suggested Layout, Tolerance to be within ±.002 Outline Dimensions ( inch mm ) C .220 5.59 D .100 2.54 H .030 0.76 J .026 0.66 K .065 1.65 L .300 7.62 E .112 2.84 F .055 1.40 G .100 2.54 wt grams 0.20 Demo Board MCL P/N: TB-356 Suggested PCB Layout (PL-213) at RF level of -4.3 dBm 0.9 45 0.8 20.42 23.55 24.90 27.17 28.00 28.01 29.46 31.69 35.90 42.87 31.80 29.91 28.56 27.62 27.02 27.82 25.76 23.12 21.50 20.11 COUPLING DIRECTIVITY 29 0.6 21 0.5 0 200 400 600 800 1000 FREQUENCY (MHz) ADC-18-4-75R+ RETURN LOSS RETURN LOSS (dB) 22.00 26.77 29.90 35.24 34.53 at RF level of -4.3 dBm 37 0.7 45 Cpl 20.76 24.04 25.58 27.26 27.68 ADC-18-4-75R+ COUPLING & DIRECTIVITY COUPLING & DIRECTIVITY (dB) B .310 7.87 MAINLINE LOSS (dB) A .272 6.91 ADC-18-4-75R+ MAINLINE LOSS In Return Loss (dB) Out 13 0 200 400 600 FREQUENCY (MHz) 800 1000 Electrical Schematic at RF level of -4.3 dBm IN 40 OUT CPL 35 30 25 20 0 200 400 600 FREQUENCY (MHz) 800 1000 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. A M119986 ED-12361/1 ADC-18-4-75R+ DY/LC/CP/AM 081111