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| CSD-10H-1.5G DIRECTIONAL COUPLER REV: 008, 07/27/04 TECHNICAL DESCRIPTION FEATURES * 1.0 - 2.0 GHz * LOW LOSS * HIGH DIRECTIVITY * EXCELLENT COUPLING ACCURACY * SURFACE MOUNT APPLICATIONS * DCS 1800 BASE STATION RF SUBSYSTEMS * PCS 1900 BASE STATION RF SUBSYSTEMS * TELEMETRY * GPS The Multi-Mix(R) CSD-10H-1.5G provides a 10 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 - 10 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 1000 - 2000 INSERTION LOSS (dB MAX) 0.25 MEAN COUPLING VSWR (MAX, ALL PORTS) 1.22:1 10 1.0 FREQUENCY SENSITIVITY (dB MAX) DIRECTIVITY (dB MIN) POWER (AVG. CW WATTS) OPERATING TEMPERATURE -55 - +85 C 0.75 17 100 PACKAGE OUTLINE / TAPE AND REEL ORIENTATION DIRECTION OF FEED P 0 P PAD 1 1 K 0 "A" W "A" B0 .070 W MARKED SIDE UP A0 SECTION "A"-"A" P P0 A0 B0 K0 1 ENGLISH (in) 1.2598 0.6299 0.1575 0.3598 0.5697 0.0799 METRIC (mm) 32.00 16.00 4.00 9.14 14.47 2.03 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: crm@merrimacind.com / www.merrimacind.com TYPICAL PERFORMANCE CSD-10H-1.5G COUPLING -7.5 -8 Insertion Loss (dB) -8.5 Coupling (dB) -9 -9.5 -10 -10.5 -11 -11.5 -12 -12.5 1000 1100 1200 1300 1400 1500 1600 Frequency (MHz) 1700 1800 1900 2000 INSERTION LOSS 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 1000 1100 1200 1300 1400 1500 1600 Frequency (MHz) 1700 1800 1900 2000 VSWR 1.5 1.45 1.4 Port 1 Port 2 Port 3 Port 4 0 -5 -10 DIRECTIVITY VSWR 1.3 1.25 1.2 1.15 1.1 1.05 1 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 Directivity (dB) 1.35 -15 -20 -25 -30 -35 -40 -45 -50 1000 1100 1200 1300 1400 1500 1600 Frequency (MHz) 1700 1800 1900 2000 Frequency (MHz) MOUNTING CONFIGURATION 50 OHM LINE .032 DIELECTRIC THICKNESS ER= 3.38 Ground plane of unit should be soldered to ground plane of circuit board for optimum performance 0.447 [11.35] 0.034 typ. [0.86] GROUND VIAS PLATED THRU 0.050 [1.28] 0.351 [8.91] 0.250 [6.35] 0.0630 [1.60] GROUND PLANE 0.068 [1.73] TRUTH TABLE 1 1 2 3 4 Input Output Isolated Coupled 2 Output Input Coupled Isolated 3 Isolated Coupled Input Output 4 Coupled Isolated Output Input Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006 Tel: 1.888.434.MMFM / Fax: 973.882.5990 / Email: crm@merrimacind.com / www.merrimacind.com |
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