Directional Coupler 0.81–0.96 GHz DC09-73 Features ■ Low Cost ■ Low Profile ■ Available in Small SOT-6 Lead Package ■ Tape & Reel Description The DC09-73 is a monolithic directional coupler tailored to the 0.81–0.96 GHz band. It offers low loss, good isolation, good input/output matching and exceptional coupling repeatability. It is available in the SOT-6 lead surface mount package. Electrical Specifications at 25°C Parameter Min. Frequency Typ. 0.81 Insertion Loss 0.2 Isolation 27 Max. Unit 0.96 GHz 0.3 30 Input VSWR 1.1:1 1.3:1 Output VSWR 1.1:1 1.3:1 Coupling 20.8 Coupled Port VSWR Pin Out dB dB 19.8 18.8 1.1:1 1.3:1 dB Block Diagram Coupled GND 4 3 OUT 5 2 COUPLED 6 1 GND DC09 GND IN Out Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 3/99A In 1 Directional Coupler 0.81–0.96 GHz DC09-73 -0.00 1.5 -0.10 1.4 Output VSWR Insertion Loss (dB) Typical Performance Data -0.20 -0.30 -0.40 1.2 1.1 -0.50 0.80 0.85 0.90 0.95 1.0 0.80 1.00 0.85 0.90 0.95 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Output VSWR vs. Frequency 1.00 1.5 Coupled Port VSWR 0 -10 Isolation (dB) 1.3 -20 -30 0.85 0.90 0.95 1.3 1.2 1.1 1.0 0.80 -40 0.80 1.4 1.00 0.85 0.90 0.95 1.00 Frequency (GHz) Frequency (GHz) Isolation vs. Frequency Coupled Port VSWR vs. Frequency -18 1.5 -19 Coupling (dB) Input VSWR 1.4 1.3 1.2 1.1 -21 -22 -23 -24 1.0 0.80 2 -20 -25 0.85 0.90 0.95 1.00 0.80 0.85 0.90 0.95 Frequency (GHz) Frequency (GHz) Input VSWR vs. Frequency Coupling vs. Frequency Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 3/99A 1.00 Directional Coupler 0.81–0.96 GHz DC09-73 Absolute Maximum Ratings SOT-6 Characteristic Value Input Power1 0.074 (1.90 mm REF.) 4.0 W CW Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C 0.020 (0.51 mm) 0.014 (0.350 mm) Recommended Board Layout ,,,,,, ,,,,,, ,,,, ,,,, ,,,, ,,,,,, ,,,,,, 0.015 TYP. 0.075 ,,,,,, ,,,,,, ,,,, ,,,, ,,,, ,,,, ,,,, DC09 0.020 0.039 TYP. 0.071 (1.80 mm) 0.052 (1.30 mm) PIN 1 INDICATOR PIN 1 1. When operating with a 2.0:1 maximum VSWR on all ports. 0.018 TYP. 0.126 (3.20 mm) 0.087 (2.20 mm) PIN 6 0.037 (0.95 mm) REF. 0.057 (1.45 mm) 0.035 (0.90 mm) 0.006 (0.15 mm) 0.000 (0.00 mm) 5.0˚ ± 1˚ 0.012 (0.30 mm) TYP. 0.014 (0.26 mm) 0.004 (0.10 mm) 5.0˚ ± 1˚ 0.122 (3.10 mm) 0.106 (2.70 mm) 0.022 (0.61 mm) 0.004 (0.10 mm) 0.020 DIA. VIA 3 PLACES Material is 10 mil FR4 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 3/99A 3