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| CSD-10SH-2.14G DIRECTIONAL COUPLER REV: 002, 08/10/05 TECHNICAL DESCRIPTION FEATURES * 2.0 - 2.3 GHz * LOW LOSS * LOW VSWR * HIGH POWER * HIGH DIRECTIVITY * SURFACE MOUNT * TAPE & REEL APPLICATIONS * WCDMA BASE STATION RF SUBSYSTEMS * UMTS * SATCOM The Multi-Mix(R) CSD-SH series provides a 10 dB coupler with low insertion loss, low VSWR, and high directivity. Accurate coupling factors make them ideal for applications involving power amplifiers, signal distribution and processing. CSD-SH Directional Couplers are fusion bonded multilayer stripline assemblies. 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 GHz 2.0 - 2.3 MEAN COUPLING INSERTION LOSS (dB MAX) 0.20 VSWR (MAX) 1.19:1 FREQUENCY SENSITIVITY (dB MAX) 0.10 10.0 1.0 dB DIRECTIVITY (dB, MIN) INPUT POWER SIZE (INCHES) 0.56 x 0.20 x 0.075 WEIGHT (OZ./GRAMS) 0.02 / 0.6 RF INTERFACE Surface Mount OPERATING TEMPERATURE -55 - +85 C 20 100 W PACKAGE OUTLINE / TAPE & REEL ORIENTATION DIRECTION OF FEED P 0 PAD 1 K 0 .560 [14.22] PORT 4 .024 [0.61] TYP. PORT 1 .075 [1.90] W "A" "A" B0 .200 [5.08] CSD-10SH-2.14G .311 PLATED THRU 2 PLACES [7.90] P 1 MARKED SIDE UP PORT 3 .050 [1.27] PORT 2 .062 [1.57] PLATED THRU 4 PLACES A 0 SECTION "A"-"A" W ENGLISH (in) 0.9449 METRIC (mm) 24.00 P1 0.3150 8.00 P0 0.1575 4.00 A0 0.2150 5.46 B0 0.5752 14.61 K0 0.0850 2.16 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-10SH-2.14G Coupling -8 1.3 -8.5 -9 Coupling (dB) -9.5 -10 -10.5 -11 -11.5 -12 2000 1.05 1 2000 VSWR 1.25 1.2 1.15 1.1 VSWR Port 1 Port 2 Port 3 Port 4 2050 2100 2150 Frequency (MHz) 2200 2250 2300 2050 2100 2150 2200 Frequency (MHz) 2250 2300 Directivity 0 -5 Insertion Loss (dB) -10 Directivity (dB) -15 -20 -25 -30 -35 -40 2000 0.5 0.4 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 2050 2100 2150 Frequency (MHz) 2200 2250 2300 -0.5 2000 2050 2100 Insertion Loss 2150 Frequency (MHz) 2200 2250 2300 MOUNTING CONFIGURATION 50 OHM LINE .032 DIELECTRIC THICKNESS ER= 3.38 0.447 [11.35] GROUND VIAS PLATED THRU 0.100 [2.54] 0.200 [5.08] 0.034 typ. [0.86] 0.050 [1.27] 0.0630 [1.60] GROUND PLANE Ground plane of unit should be soldered to ground plane of circuit board for optimum performance 0.068 [1.73] TRUTH TABLE 1 1 2 3 4 Input Coupled Isolated Out 2 Coupled In Out Isolated 3 Isolated Out Input Coupled 4 Out Isolated Coupled 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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