DC17-73

Directional Coupler DC17-73 Features s Low Cost s Low Profile s Small SOT-6 Package s Tape & Reel Description The DC17-73 is a monolithic directional coupler for low cost wireless applications. It offers low loss, good isolation, good input/output matching and exceptional coupling repeatability. Performance specified for two different bands. It is available in the SOT-6 lead surface mount package. Electrical Specifications at 25°C Parameter Frequency Insertion Loss1 Isolation Input VSWR Output VSWR Coupling Coupled Port VSWR 1. Coupling loss included. Min. 1.42 Typ. .60 Max. 1.66 .70 1.3:1 1.3:1 12.8 1.3:1 Unit GHz dB dB Min. 1.71 Typ. .75 Max. 1.99 .85 1.3:1 1.3:1 11.3 1.35:1 Unit GHz dB dB 21 22 1.1:1 1.1:1 20 21 1.1:1 1.1:1 10.8 11.8 1.2:1 dB 9.3 10.3 1.25:1 dB Pin Out GND GND COUPLED OUT Block Diagram 1 6 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 6 DC17 2 GND RF IN 3 5 2 3 5 4 4 1 Directional Coupler DC17-73 Typical Performance Data 0.0 -0.5 -1.0 -1.5 -2.0 -2.5 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 1.5 1.4 Insertion Loss (dB) Output VSWR 1.3 1.2 1.1 1.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency 0.0 1.5 Output VSWR vs. Frequency Coupled Port VSWR 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 -8.0 1.4 1.3 1.2 1.1 1.0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 ...