CSDZ-10H-0.9G MERRIMAC | Alldatasheet

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Technical content

(MHz) INSERTION LOSS (dB MAX) MEAN COUPLING (dB) VSWR (MAX, ALL PORTS) 800 - 1000 0.14 10 ± 0.6 1.15:1 FREQUENCY SENSITIVITY (dB MAX) DIRECTIVITY ( dB MIN) AVERAGE POWER (WATTS, MAX.) RF INTERFACE OPERATING TEMPERATURE ± 0.15 22 250 Leadless Surface Mount -55° TO +95° C DIRECTIONAL COUPLER

FEATURES

  • 800 - 1000 MHz
  • LOW LOSS
  • HIGH DIRECTIVITY
  • EXCELLENT COUPLING ACCURACY
  • SURFACE MOUNT The Multi-Mix ® CSDZ series provides 10 dB coupling at 900 MHz. The CSDZ series features accurate coupling factors, low VSWR, and high directivity. Very low insertion loss and high power handling capa- bility make this series ideal for use in base station power amplifiers particularly in the main loop of the feedforward amplifiers. The CSDZ series is also ideal for use in RF sampling networks and control cir- cuitry in high power transmitters. CSDZ directional couplers are based on fusion bonded multilayer stripline structures. The fusion bonding process yields homogeneous monolithic dielectric structures with reliability, ruggedness, and electrical and thermal performance that are superior to conventional adhesive bonding techniques. CSDZ-10H-0.9G TECHNICAL DESCRIPTION REV: 002, 10/09/06 THE MULTI-MIX MICROTECHNOLOGY® GROUP IS ISO 9001:2000 REGISTERED Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006 U.S. Patent 6,099,677 and other Patents Pending. GENERAL SPECIFICATIONS PACKAGE OUTLINE/ TAPE & REEL ORIENTATION .067 [1.702] .560 [14.224] .350 [8.890] .059 [1.499] .040 [1.016] TYP. TYP. PORT 1PORT 2 PORT 4PORT 3 CSDZ-10H-0.9G P P W K B 10 0 ENGLISH (in) W 1.2598 0.6299 P10 P 0.1575 0.3598 B0 0K 0.5697 0.0799 DIRECTION OF FEED "A" "A" SECTION "A"-"A" PAD 1 MARKED SIDE UP

CSDZ-10H-0.9G Merrimac Industries / 41 Fairfield Place, West Caldwell, NJ 07006 TRUTH TABLE 1 2 3 4

1 Input Output Isolated Coupled

2 Output Input Coupled Isolated

3 Isolated Coupled Input Output

4 Coupled Isolated Output Input

50 OHM LINE

.032 DIELECTRIC THICKNESS ER= 3.38 0.351 [8.91] 0.0630 [1.60] 0.250 [6.35] Ground plane of unit should be soldered to ground plane of circuit board for optimum performance GROUND VIAS PLATED THRU 0.034 typ. [0.86] 0.050 [1.28] 0.068 [1.73] GROUND PLANE 0.447 [11.35] Coupling -12 -11.5 -11 -10.5 -10 -9.5 -8.5 800 820 840 860 880 900 920 940 960 980 1000 Frequency (MHz) Coupling (dB) Insertion Loss -0.5 -0.4 -0.3 -0.2 -0.1 0.1 0.2 0.3 0.4 0.5 800 820 840 860 880 900 920 940 960 980 1000 Frequency (MHz) Insertion Loss(dB) VSWR 1.1 1.2 1.3 1.4 1.5 800 820 840 860 880 900 920 940 960 980 1000 Frequency (MHz) VSWR Port 1 Port 2 Port 3 Port 4 Directivity -50 -45 -40 -35 -30 -25 -20 -15 -10 800 820 840 860 880 900 920 940 960 980 1000 Frequency (MHz) Directivity (dB)