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| QHDZ-2H-0.9G QUAD HYBRID REV: 003, 05/04/05 TECHNICAL DESCRIPTION FEATURES * 0.8 - 1.0 GHz * LOW LOSS * HIGH ISOLATION * EXCELLENT PHASE/AMPLITUDE BALANCE * SURFACE MOUNT * TAPE & REEL AVAILABLE APPLICATIONS * GSM 850 RF SUBSYSTEMS * GSM 950 RF SUBSYSTEMS * LAND MOBILE RADIO (LMR) * RADAR COMMUNICATIONS 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 800 - 1000 869 - 894 925 - 960 ISOLATION (dB MIN) 23 26 25 VSWR (MAX, ALL PORTS) 1.15:1 1.12:1 1.13:1 INSERTION LOSS (dB MAX) 0.15 0.12 0.12 INPUT POWER (CW @ 1.2:1 LOAD VSWR) AMPLITUDE BALANCE (dB MAX) 0.20 0.14 0.14 RF INTERFACE PHASE BALANCE 90 2 OPERATING TEMPERATURE 225 WATTS Surface Mount -55 - +95 C PACKAGE OUTLINE / TAPE & REEL ORIENTATION DIRECTION OF FEED P 0 P PAD 1 1 K 0 "A" "A" B0 QHDZ-2H-0.9G W MARKED SIDE UP A0 SECTION "A"-"A" 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 THE MULTI-MIX MICROTECHNOLOGY GROUP IS ISO 9001:2000 REGISTERED U.S. Patent 6,099,677 and other Patents Pending. (R) 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-0.9G Coupling Direct -2 -2.2 -2.4 Coupling (dB) -2.6 -2.8 -3 -3.2 -3.4 -3.6 -3.8 -4 800 850 900 Frequency (MHz) 950 1000 VSWR Coupled 1.3 1.25 1.2 VSWR 1.15 1.1 1.05 1 800 Port 1 Port 2 Port 3 Port 4 850 900 Frequency (MHz) 950 1000 Phase Balance Isolation -85 0 -10 -86 -87 Phase (degrees) 850 900 Frequency (MHz) 950 1000 -88 -89 -90 -91 -92 -93 -94 -95 800 850 900 Frequency (MHz) 950 1000 Isolation (dB) -20 -30 -40 -50 -60 800 MOUNTING CONFIGURATION 50 OHM LINE .032 DIELECTRIC THICKNESS ER= 3.38 Ground plane of unit should be soldered to ground plane of circuit board for optimum performance 0.447 [11.35] 0.034 typ. [0.86] GROUND VIAS PLATED THRU 0.050 [1.28] 0.351 [8.91] 0.250 [6.35] 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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