Surface Mount Directional Coupler 50Ω SYD-20-33+ 30 to 3000 MHz Maximum Ratings Features Operating Temperature -40°C to 85°C Storage Temperature -55°C to 100°C Pin Connections • wideband, 30-3000 MHz • low mainline loss, 1.6 dB typ. • excellent VSWR, 1.15:1 typ; all ports • good flatness, ±0.6 dB typ. CASE STYLE: AH202 PRICE: $16.95 ea. QTY. (10-49) + RoHS compliant in accordance with EU Directive (2002/95/EC) Applications INPUT 8 OUTPUT 1 COUPLED 5 GROUND 2,3,4,6,7 • VHF/UHF receivers/transmitters • cellular, PCS, PCN, UMTS • ISM • GPS • instrumentation The +Suffix has been added in order to identify RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications. Directional Coupler Electrical Specifications FREQ. (MHz) Outline Drawing COUPLING (dB) fL-fU Nom. Flatness 30-3000 800-1000 1700-2000 2300-2700 20.8±0.8 21.5±0.5 21.1±0.6 20.8±0.7 ±1.4 ±0.3 ±0.5 ±0.5 MAINLINE LOSS1 (dB) DIRECTIVITY (dB) Typ. Max. 1.6 1.1 1.3 1.5 2.5 1.5 1.8 2.1 VSWR (:1) POWER INPUT (W) Typ. Min. Typ. Max. 15 17 20 16 9 14 15 11 1.20 1.10 1.15 1.20 1 1 1 1 1. Mainline loss includes theoretical power loss at coupled port. PCB Land Pattern Typical Performance Data Frequency (MHz) B .50 12.70 C .25 6.35 D .020 0.51 E .035 0.89 F .050 1.27 G .140 3.56 H .180 4.57 J .320 8.13 K .360 9.14 L .450 11.43 M .465 11.81 N .095 2.41 P .135 3.43 Q .240 6.10 R wt .280 grams 7.11 0.80 Demo Board MCL P/N: TB-296 Suggested PCB Layout (PL-160) Directivity (dB) Return Loss (dB) In-Out In-Cpl In Out Cpl 30.00 300.00 800.00 1000.00 1400.00 0.90 0.99 1.11 1.16 1.25 20.67 21.31 21.70 21.66 21.45 17.67 18.13 17.81 18.18 21.56 22.43 28.54 31.11 29.83 26.80 22.47 29.57 34.45 33.18 31.14 27.83 28.33 24.69 23.65 22.13 1700.00 2000.00 2300.00 2700.00 3000.00 1.33 1.44 1.53 1.74 1.97 21.30 21.15 21.02 21.25 22.06 28.32 34.38 23.71 17.00 14.14 25.73 23.57 19.74 14.71 12.06 31.37 29.10 23.26 16.41 13.23 22.07 21.71 19.17 14.45 12.37 SYD-20-33+ MAINLINE LOSS 2.5 2.0 1.5 1.0 0.5 0.0 COUPLING 35 DIRECTIVITY 30 25 20 15 10 0 500 1000 1500 2000 FREQUENCY (MHz) 2500 3000 0 SYD-20-33+ RETURN LOSS 40 RETURN LOSS (dB) SYD-20-33+ COUPLING & DIRECTIVITY 40 COUPLING & DIRECTIVITY (dB) Outline Dimensions ( inch mm ) A .38 9.65 Coupling (dB) MAINLINE LOSS (dB) Suggested Layout, Tolerance to be within ±.002 Mainline Loss (dB) IN 35 OUT 500 1000 1500 2000 FREQUENCY (MHz) 2500 3000 Electrical Schematic CPL 30 25 20 15 10 0 500 1000 1500 2000 FREQUENCY (MHz) 2500 3000 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-11713/2 SYD-20-33+ WP/QL/AM 081111