Surface Mount Directional Coupler 75Ω TCD-20-4-75+ 40 to 1200 MHz Maximum Ratings Features Operating Temperature -40°C to 85°C Storage Temperature -55°C to 100°C Pin Connections INPUT 3 OUTPUT 4 COUPLED 1 GROUND 2 75Ω TERM EXTERNAL 6 NOT USED 5 • wideband, 40-1200 MHz • excellent flatness, ±0.5 dB typ. each band • better performance than MA-COM EMDC-20-2-75 • footprint compatible to EMDC-10-1-75 • aqueous washable CASE STYLE: DB714 PRICE:$1.49 ea. QTY (25) + 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 FREQ. RANGE (MHz) Outline Drawing Directional Coupler Electrical Specifications COUPLING (dB) MAINLINE LOSS1 (dB) DIRECTIVITY (dB) VSWR POWER (:1) INPUT, W fL-fU Nom. Flatness Typ. Max. Typ. Min. Typ. Max. 40-500 21±0.5 ±0.8 0.5 0.9 20 15 1.15 1.0 500-870 20±0.6 ±0.8 0.6 1.0 23 16 1.15 1.0 ±0.8 0.6 1.1 20 14 1.15 1.0 870-1200 19.5±0.7 1. Mainline loss includes theoretical power loss at coupled port. Typical Performance Data PCB Land Pattern Suggested Layout, Tolerance to be within ±.002 Frequency (MHz) Coupling (dB) In-Cpl Directivity (dB) Mainline Loss (dB) In-Out 40.00 150.00 300.00 500.00 650.00 0.58 0.51 0.52 0.55 0.55 21.64 21.32 21.04 20.52 20.11 17.52 22.55 27.40 34.93 25.14 850.00 1000.00 1050.00 1100.00 1200.00 0.59 0.65 0.68 0.69 0.73 19.53 19.12 18.96 18.81 18.51 23.06 23.38 21.95 21.82 20.42 Outline Dimensions ( inch mm ) C .160 4.06 D .050 1.27 G .028 0.71 H .065 1.65 J .190 4.83 K .030 0.76 E .040 1.02 TCD-20-4-75+ MAINLINE LOSS F .025 0.64 wt grams 0.15 Demo Board MCL P/N: TB-72 Suggested PCB Layout (PL-010) 50 26.52 29.12 30.51 31.20 32.12 24.05 26.11 26.75 26.49 27.62 24.00 23.57 22.99 23.19 23.06 DIRECTIVITY 40 1.2 30 0.8 20 0.4 10 0.0 0 0 300 600 FREQUENCY (MHz) 900 1200 TCD-20-4-75+ RETURN LOSS OUT 0 300 600 900 FREQUENCY (MHz) 1200 Electrical Schematic at RF level of -10 dBm IN RETURN LOSS (dB) 23.38 26.72 27.36 25.86 25.34 at RF level of -10 dBm COUPLING 1.6 50 24.77 29.03 26.94 23.55 23.07 TCD-20-4-75+ COUPLING & DIRECTIVITY at RF level of -10 dBm 2.0 Cpl 23.40 26.56 25.81 23.79 24.15 COUPLING & DIRECTIVITY (dB) B .150 3.81 MAINLINE LOSS (dB) A .160 4.06 In Return Loss (dB) Out CPL 40 30 20 10 0 0 300 600 900 FREQUENCY (MHz) 1200 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. B M119986 ED-13061/1 TCD-20-4-75+ WZ/CP/AM 081113