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| QHDZ-2H-1.9G QUAD HYBRID REV: 003, 05/03/05 TECHNICAL DESCRIPTION FEATURES * 1.7- 2.0 GHz * LOW LOSS * HIGH ISOLATION * EXCELLENT PHASE/AMPLITUDE BALANCE * SURFACE MOUNT * TAPE & REEL AVAILABLE APPLICATIONS * DCS 1800 BASE STATION RF SUBSYSTEMS * PCS 1900 BASE STATION RF SUBSYSTEMS * MILITARY COMMUNICATIONS * TELEMETRY RoHS Compliant The Multi-Mix(R) QHDZ series provides a 3 dB 90 coupling with low insertion loss, low VSWR, and high isolation. Accurate phase and amplitude balance make this series ideal for use in IQ networks, power amplifiers, radio transceivers, receiver multicouplers and RF signal distribution and processing equipment. QHDZ quad hybrids 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 1700 - 2000 1805 - 1880 1930 - 1990 ISOLATION (dB MIN) VSWR (ALL PORTS) INSERTION LOSS (dB MAX) 0.15 0.12 0.12 INPUT POWER (CW @ 1.2:1 OUTPUT VSWR) 225 AMPLITUDE BALANCE (dB MAX) PHASE BALANCE 0.2 90 2 RF INTERFACE OPERATING TEMPERATURE 28 1.12:1 Surface Mount -55 - +95 C PACKAGE OUTLINE / TAPE & REEL ORIENTATION DIRECTION OF FEED .560 [14.224] PORT 2 PORT 1 P 0 P PAD 1 1 K 0 .350 [8.890] .040 [1.016] TYP. "A" W "A" B0 QHDZ-2H-1.9G MARKED SIDE UP PORT 3 .059 [1.499] TYP. PORT 4 .075 [1.905] 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 W A0 SECTION "A"-"A" 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 QHDZ-2H-1.9G Coupling Direct -2 -2.2 -2.4 Coupling (dB) -2.6 -2.8 -3 -3.2 -3.4 -3.6 -3.8 -4 1700 1750 1800 1850 Frequency (MHz) 1900 1950 2000 VSWR Port 1 1.3 1.25 1.2 VSWR 1.15 1.1 1.05 1 1700 Coupled Port 2 Port 3 Port 4 1750 1800 1850 Frequency (MHz) 1900 1950 2000 Isolation 0 -10 Phase (degrees) -85 -86 -87 -88 -89 -90 -91 -92 -93 -94 Phase Balance Isolation (dB) -20 -30 -40 -50 -60 1700 1750 1800 1850 Frequency (MHz) 1900 1950 2000 -95 1700 1750 1800 1850 Frequency (MHz) 1900 1950 2000 MOUNTING CONFIGURATION Ground plane of unit should be soldered to ground plane of circuit board for optimum performance 50 OHM LINE .032 DIELECTRIC THICKNESS ER= 3.38 0.447 [11.35] 0.034 typ. [0.86] 0.351 [8.91] 0.250 [6.35] GROUND VIAS PLATED THRU 0.050 [1.28] 0.0630 [1.60] GROUND PLANE 0.068 [1.73] TRUTH TABLE 1 1 2 3 4 Input Iso -90 0 2 Iso Input 0 -90 3 -90 0 Input Iso 4 0 -90 Iso 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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