DC08-73

Directional Coupler 0.81–0.96 GHz DC08-73 Features s Low Cost s Low Profile s Small SOT-6 Package s Tape & Reel Description The DC08-73 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 may be used at higher frequencies when stronger coupling is required. It is available in the SOT-6 leaded 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. 0.81 Typ. .35 Max. 0.96 .45 1.3:1 1.3:1 16 1.3:1 Unit GHz dB dB 21 22 1.05:1 1.05:1 14 15 1.2:1 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 DC08 2 GND RF IN 3 5 2 3 5 4 4 1 Directional Coupler 0.81–0.96 GHz DC08-73 Typical Performance Data 0.0 -0.5 1.5 1.4 Insertion Loss (dB) Output VSWR Frequency (GHz) -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 1.3 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) 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 Isolation (dB) -10.0 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 -20.0 -30.0 -40.0 Frequency (GHz) Frequency (...