Surface Mount Directional Coupler 50Ω D19G 1420 to 1660 MHz Maximum Ratings Features Operating Temperature • low mainline loss, 0.3 dB typ. • excellent VSWR, 1.2:1 typ. • excellent repeatability • miniature low profile package • tape & reel package • aqueous washable -40°C to 85°C Storage Temperature -65°C to 150°C Pin Connections INPUT 4 OUTPUT 6 COUPLED Applications • GPS 3 GROUND CASE STYLE: CA531-1 PRICE: $ 0.99 ea. QTY (25) 1,2,5 Directional Coupler Electrical Specifications FREQ. RANGE (MHz) COUPLING (dB) 1420-1660 18.8±1.4 MAINLINE LOSS1 (dB) Outline Drawing PCB Land Pattern DIRECTIVITY (dB) VSWR POWER (:1) INPUT2 Typ. Max. Typ. Min. Typ. Max. 0.3 0.5 15 10 1.2 1.0 1. Mainline loss includes theoretical power loss at coupled port. 2. 4W CW when operating with a 2.0:1 maximum VSWR on all ports. Typical Performance Data Frequency (MHz) Mainline Loss (dB) In-Out Coupling (dB) In-Cpl Directivity (dB) 1420.00 1440.00 1460.00 1500.00 1520.00 0.28 0.29 0.29 0.29 0.30 20.02 19.91 19.80 19.58 19.48 16.30 16.38 16.49 16.67 16.78 32.66 32.66 32.66 32.92 32.92 32.00 32.00 32.17 32.32 32.30 36.15 36.47 36.81 37.65 38.00 1540.00 1560.00 1600.00 1640.00 1660.00 0.30 0.30 0.31 0.31 0.32 19.38 19.28 19.08 18.88 18.79 16.87 16.97 17.17 17.39 17.51 32.87 32.87 32.79 32.45 32.22 32.26 32.33 32.38 32.09 31.87 38.31 38.76 39.93 40.96 41.50 Suggested Layout, Tolerance to be within ±.002 A .052 1.32 B .067 1.70 C .106 2.69 D .122 3.10 E .035 0.89 F .064 1.63 G .087 2.21 H .118 3.00 J .067 1.70 K .083 2.11 L .033 0.84 M .042 1.07 N .012 0.30 P .020 0.51 Q .012 0.30 R .006 0.15 S wt .018 grams 0.46 0.020 D19G MAINLINE LOSS Demo Board MCL P/N: TB-396+ Suggested PCB Layout (PL-270) MAINLINE LOSS (dB) 0.5 Cpl D19G COUPLING & DIRECTIVITY at RF level of -10 dBm 25 at RF level of -10 dBm 22 0.4 COUPLING DIRECTIVITY COUPLING & DIRECTIVITY (dB) Outline Dimensions ( inch mm ) Return Loss (dB) Out In 19 0.3 16 0.2 13 0.1 0.0 1420 1468 1516 1564 FREQUENCY (MHz) 1612 10 1420 1660 1468 1516 1564 FREQUENCY (MHz) 1612 1660 Electrical Schematic D19G RETURN LOSS RETURN LOSS (dB) at RF level of -10 dBm 45 43 41 39 37 35 33 31 29 27 25 1420 IN 1468 OUT CPL 1516 1564 FREQUENCY (MHz) 1612 1660 ESD Rating Human Body Model (HBM): Class 1A (250 v to <500 v) in accordance with ANSI/ESD STM 5.1 - 2001 Machine Model (MM): Class M1 (< 100 v) in accordance with ANSI/ESD STM 5.2 - 1999 (pass 50V) 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. D M119986 D19G JS/TD/CP/AM 081111