CSM-20-3G SQ DIRECTIONAL COUPLER REV: 006, 03/21/01 SPACE QUALIFIED 2-4 GHz DIRECTIONAL COUPLER SERIES 05 TECHNICAL DESCRIPTION / APPLICATION The CSM-20-3G SQ Directional Coupler covers 2-4 GHz with a stripline design. This offers low transmission loss and excellent VSWR. This unit has been designed, manufactured and qualified per Merrimac document CENG-0001, Standard Design Requirements for Space Qualified Devices. GENERAL SPECIFICATIONS MOD E L N U MB E R C S M-20-3G S Q FR E QU E N C Y R AN GE C OU P LIN G IN S E R TION LOS S dB D IR E C TIVITY dB VS WR GHz dB MA X. MIN. MA IN, MA X. 2.0 - 4.0 20 +/- 1.25 0.25 VS WR FR E QU E N C Y S E N S ITIVITY dB C OUP LE D , MA X. MAX. 1.15:1 +/- .75 20 C W P OWE R R ATIN G MAIN LIN E 1.15:1 WE IGH T MA X. 30 WATTS 0.98 oz. PACKAGE OUTLINE Merrimac Industries, RF & Microwave Products Division / 41 Fairfield Place, West Caldwell, NJ 07006 Tel: 973.575.1300 / Fax: 973.575.0531 / Internet: www.Merrimacind.com