Surface Mount Directional Coupler 50Ω D20C 810 to 960 MHz Maximum Ratings Features Operating Temperature • low mainline loss, 0.3 dB typ. • excellent VSWR, 1.1:1 typ. • excellent repeatability • miniature low profile package • aqueous washable -40°C to 85°C Storage Temperature -65°C to 150°C Pin Connections INPUT 4 OUTPUT 6 COUPLED Applications • cellular • PCS 3 GROUND CASE STYLE: CA531-1 PRICE: $ 0.99 ea. QTY (25) 1,2,5 Directional Coupler Electrical Specifications FREQ. RANGE (MHz) COUPLING (dB) 810-960 19.4±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 7 1.1 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) Suggested Layout, Tolerance to be within ±.002 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 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 Demo Board MCL P/N: TB-396+ Suggested PCB Layout (PL-270) Directivity (dB) Return Loss (dB) Out In Cpl 810.00 815.00 825.00 855.00 875.00 0.32 0.32 0.33 0.34 0.34 20.15 20.10 20.00 19.71 19.51 15.42 15.43 15.44 15.49 15.51 29.31 29.27 29.17 28.87 28.80 32.09 32.02 31.91 31.70 31.59 32.06 31.93 31.69 31.05 30.69 895.00 915.00 935.00 955.00 960.00 0.35 0.35 0.35 0.36 0.36 19.33 19.15 18.97 18.80 18.76 15.50 15.48 15.48 15.49 15.50 28.80 28.68 28.51 28.41 28.37 31.44 31.15 30.84 30.60 30.54 30.26 29.79 29.34 29.00 28.92 J .067 1.70 0.5 MAINLINE LOSS (dB) A .052 1.32 Coupling (dB) In-Cpl at RF level of -10 dBm 25 0.4 0.3 0.2 0.1 0.0 810 35 RETURN LOSS (dB) D20C COUPLING & DIRECTIVITY D20C MAINLINE LOSS COUPLING & DIRECTIVITY (dB) Outline Dimensions ( inch mm ) Mainline Loss (dB) In-Out 840 at RF level of -10 dBm 33 870 900 FREQUENCY (MHz) 930 OUT COUPLING DIRECTIVITY 22 19 16 13 10 810 960 840 870 900 930 960 FREQUENCY (MHz) D20C RETURN LOSS IN at RF level of -10 dBm Electrical Schematic CPL 31 29 27 25 810 840 870 900 930 960 FREQUENCY (MHz) 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. C M119986 D20C JS/TD/CP/AM 081111