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| QHDZ-2N-0.9G QUAD HYBRID REV: 001, 08/19/05 TECHNICAL DESCRIPTION FEATURES * 740 - 960 MHz * 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 * HOMELAND SECURITY NETWORKS * PUBLIC SAFETY BTS AMPLIFIER 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 INSERTION LOSS (dB MAX) 0.20 AMPLITUDE BALANCE (dB MAX) 0.30 PHASE BALANCE 740 - 960 90 2 ISOLATION (dB MIN) VSWR (MAX, ALL PORTS) INPUT POWER (CW @ 1.2:1 LOAD VSWR) RF INTERFACE Leadless Surface Mount OPERATING TEMPERATURE 25 1.12:1 225 WATTS -55 - +95 C PACKAGE OUTLINE / TAPE & REEL ORIENTATION DIRECTION OF FEED PORT 2 PORT 1 .650 .071 P 0 P 1 PAD 1 K 0 "A" "A" B0 .480 QHDZ-2N-0.9G QHDZ-2N-0.9G/78747 .040 W MARKED SIDE UP A0 PORT 3 .059 PORT 4 SECTION "A"-"A" P P0 A0 B0 K0 1 ENGLISH (in) 0.9449 0.6299 0.1575 0.5126 0.6665 0.09448 METRIC (mm) 24.00 16.00 4.00 13.02 16.93 2.4 W 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-2N-0.9G Coupling Direct -2 -2.2 -2.4 -2.6 -2.8 -3 -3.2 -3.4 -3.6 -3.8 -4 700 750 800 850 Frequency (MHz) Isolation 0 -10 Isolation (dB) Coupled -20 -30 -40 -50 -60 Coupling (dB) 900 950 1000 700 750 800 850 Frequency (MHz) 900 950 1000 VSWR Port 1 1.3 Phase (degrees) Phase Balance Port 4 -85 -86 -87 -88 -89 -90 -91 -92 -93 -94 -95 700 750 800 850 Frequency (MHz) Port 2 Port 3 1.25 1.2 VSWR 1.15 1.1 1.05 1 700 750 800 850 Frequency (MHz) 900 950 1000 900 950 1000 MOUNTING CONFIGURATION GROUND PLANE OF UNIT SHOULD BE SOLDERED TO GROUND PLANE OF CIRCUIT BOARD FOR OPTIMUM PERFORMANCE. 0.537 [13.64] 0.380 [9.65] GROUND PLANE S VIA H UND OUG GROD THR TE PLA 0.063 [1.60] 0.068 [1.73] 50 OHM LINE .032 DIELECTRIC THICKNESS ER = 3.38 TRUTH TABLE 1 1 2 3 4 Input Iso -90 0 2 Iso Input 0 -90 3 -90 0 Input Iso 0.034 TYP. [0.86] 0.050 [1.27] 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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