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| CSDZ-20SH-1.1G DIRECTIONAL COUPLER REV: 002, 05/31/07 TECHNICAL DESCRIPTION FEATURES * 0.96 - 1.220 GHz * LOW LOSS * LOW VSWR * HIGH POWER * HIGH DIRECTIVITY * SURFACE MOUNT * TAPE & REEL The Multi-Mix(R) CSDZ-SH series provides a 20 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. CSDZ-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 0.96 - 1.220 MEAN COUPLING INSERTION LOSS (dB MAX) 0.20 VSWR (MAX) 1.15:1 FREQUENCY SENSITIVITY (dB MAX) 0.30 20 0.5 dB DIRECTIVITY (dB, MIN) INPUT POWER SIZE (INCHES) WEIGHT (OZ./GRAMS) RF INTERFACE Leadless Surface Mount OPERATING TEMPERATURE -55 - +95 C 20 125 W 0.56 x 0.20 x 0.068 0.02/0.6 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 .068 [1.72] W "A" "A" B0 .200 [5.08] CSDZ-20SH-1.1G .311 PLATED THRU 2 PLACES [7.90] PORT 3 .050 [1.27] PORT 2 .062 [1.57] PLATED THRU 4 PLACES P 1 MARKED SIDE UP 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 TYPPICAL PERFORMANCE CSDZ-20SH-1.1G Coupling -18.000 0.50 0.30 0.10 (dB) -20.000 (dB) -0.10 -21.000 -0.30 -0.50 960 Insertion Loss -19.000 -22.000 960 992.5 1025 1057.5 1090 1122.5 Frequency (MHz) 1155 1187.5 1220 992.5 1025 1057.5 1090 1122.5 Frequency (MHz) 1155 1187.5 1220 VSWR Port1 1.3 1.25 1.2 VSWR -20.000 1.15 1.1 1.05 1 960 -40.000 -50.000 960 (dB) -30.000 Port2 Port3 Port4 0.000 -10.000 Directivity 992.5 1025 1057.5 1090 1122.5 Frequency (MHz) 1155 1187.5 1220 992.5 1025 1057.5 1090 1122.5 Frequency (MHz) 1155 1187.5 1220 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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