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| CSD-10M-3G DIRECTIONAL COUPLER REV: 007, 09/03/04 TECHNICAL DESCRIPTION FEATURES * 2.0 - 4.0 GHz * LOW LOSS * HIGH DIRECTIVITY * EXCELLENT COUPLING ACCURACY * SURFACE MOUNT APPLICATIONS * WCDMA BASE STATION RF SUBSYSTEMS * SATCOM The Multi-Mix(R) CSD series 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. 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 INSERTION LOSS (dB MAX) 0.35 MEAN COUPLING (dB) 10 1 VSWR (MAX, ALL PORTS) 1.35:1 2000 - 4000 FREQUENCY SENSITIVITY (dB MAX) DIRECTIVITY ( dB MIN) POWER (AVG. CW WATTS) OPERATING TEMPERATURE 1.0 15 100 -55 TO +85 C PACKAGE OUTLINE / TAPE AND REEL ORIENTATION DIRECTION OF FEED .450 [11.43] .024 [0.61] TYP. P0 P1 PAD 1 K0 2 .350 [8.89] 1 .065 [1.65] "A" "A" W B0 CSD-10M-3G 3 4 MARKED SIDE UP A0 SECTION "A" - "A" .050 [1.27] TYP. TOP VIEW .062 PLATED THRU 4 PLACES [1.57] W ENGLISH (in) 0.9449 METRIC (mm) 24.00 P1 0.4724 12.00 P0 0.1575 4.00 A0 B0 K0 0.3701 0.4685 0.0795 9.40 11.90 2.02 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.Multi-Mix.com TYPICAL PERFORMANCE CSD-10M-3G Coupling -7.50 -8.00 -8.50 -9.00 -9.50 -10.00 -10.50 -11.00 -11.50 -12.00 -12.50 1.50 1.75 2.00 2.25 2.50 2.75 3.00 3.25 3.50 3.75 4.00 4.25 4.50 Insertion Loss 0.00 -0.05 -0.10 -0.15 -0.20 -0.25 -0.30 -0.35 -0.40 -0.45 -0.50 1.50 1.75 2.00 2.25 2.50 2.75 3.00 3.25 3.50 3.75 4.00 4.25 4.50 dB dB F (GHZ) F (GHZ) VSWR 1.50 1.45 1.40 1.35 1.30 1.25 1.20 1.15 1.10 1.05 1.00 1.50 1.75 2.00 2.25 2.50 2.75 3.00 3.25 3.50 3.75 4.00 4.25 4.50 Directivity 0.00 -5.00 -10.00 VSWR J1 VSWR J2 VSWR J3 VSWR J4 -15.00 dB -20.00 -25.00 -30.00 -35.00 -40.00 1.50 1.75 2.00 2.25 2.50 2.75 3.00 3.25 3.50 3.75 4.00 4.25 4.50 Forward Reverse F (GHZ) F (GHZ) MOUNTING CONFIGURATION 50 OHM LINE .032 DIELECTRIC THICKNESS ER= 3.38 0.337 [8.56] 0.034 TYP. [0.86] 0.350 [8.89] 0.250 [6.35] GROUND VIAS PLATED THRU 0.063 [1.60] GROUND PLANE Ground plane of unit should be soldered to ground plane of circuit board for optimum performance 0.050 [1.27] 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: MMFM@merrimacind.com / www.Multi-Mix.com |
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