CSD-30BH-2.5G DIRECTIONAL COUPLER REV: 004, 02/08/11 TECHNICAL DESCRIPTION FEATURES APPLICATIONS * 2.0 - 3.0 GHz * WCDMA BASE STATION * LOW LOSS RF SUBSYSTEMS * HIGH DIRECTIVITY * SATCOM * EXCELLENT COUPLING ACCURACY * MMDS RoHS Compliant * SURFACE MOUNT * WLAN The Multi-Mix(R) CSD series provides a 30 dB coupling with low insertion loss, low VSWR, and high directivity. Accurate coupling factors make this series ideal for use in power amplifiers and RF signal distribution and processing equipment. CSD - 30 directional couplers are fusion bonded multilayer stripline devices. The fusion bonding process yields a homogeneous monolithic dielectric structure with reliability, ruggedness, and electrical performance that is superior to conventional adhesive bonding techniques. GENERAL SPECIFICATIONS FREQUENCY RANGE (MHz) INSERTION LOSS (dB MAX.) MEAN COUPLING (dB) VSWR (MAX, ALL PORTS) 2000 - 3000 0.13 30 1.8 1.22:1 FREQUENCY SENSITIVITY (dB MAX.) DIRECTIVITY (dB MIN.) AVERAGE POWER (WATTS, MAX.) RF INTERFACE OPERATING TEMPERATURE 0.75 14 450 Leadless Suface Mount -55 to +85 C PACKAGE OUTLINE CSD-30-BH-2.5G THE MULTI-MIX MICROTECHNOLOGY(R) GROUP IS ISO 9001:2000 REGISTERED U.S. Patent 6,099,677 and other Patents Pending. Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006 Tel: 1.888.434.MMFM / Fax: 973.882.5990 / Email: MMFM@merrimacind.com / www.craneae.com/mw CSD-30BH-2.5G TYPICAL PERFORMANCE MOUNTING CONFIGURATION TRUTH TABLE Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006 Tel: 1.888.434.MMFM / Fax: 973.882.5990 / Email: MMFM@merrimacind.com / www.craneae.com/mw