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QHD-2H-1.85G QUAD HYBRID REV: 003, 04/26/05 TECHNICAL DESCRIPTION FEATURES * 1.5 - 2.2 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 The Multi-Mix(R) QHD 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. QHD 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 1500 - 2200 INPUT POWER (CW @ 1.2:1 LOAD VSWR) 150 W INSERTION LOSS (dB MAX) 0.20 AMPLITUDE BALANCE (dB MAX) 0.25 0.35 PHASE BALANCE 90 2.5 ISOLATION (dB MIN) 24 21 VSWR (ALL PORTS) 1.15:1 1.18:1 SIZE (INCHES) 0.56 x 0.35 x 0.075 WEIGHT (OZ./GRAMS) 0.03 / 0.8 RF INTERFACE Surface Mount OPERATING TEMPERATURE -55 - +85 C PACKAGE OUTLINE / TAPE & REEL ORIENTATION .560 [14.22] PORT 2 PORT 1 P 0 P PAD 1 1 DIRECTION OF FEED .050 [1.27] K 0 "A" "A" B0 .350 [8.89] QHD-2H-1.85G W MARKED SIDE UP PORT 3 .024 [0.61] PORT 4 A0 SECTION "A"-"A" P P0 A0 B0 K0 1 ENGLISH (in) 1.2598 0.6299 0.1575 0.3598 0.5697 0.0799 W .075 [1.91] METRIC (mm) 32.00 16.00 4.00 9.14 14.47 2.03 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 QHD-2H-1.85G Coupling Direct Coupled Port 1 -2.00 -2.20 -2.40 -2.60 Coupling (dB) -2.80 -3.00 -3.20 -3.40 -3.60 -3.80 -4.00 1500 VSWR 1.30 1.27 1.24 1.21 1.18 1.15 1.12 1.09 1.06 1.03 1.00 1500 VSWR Port 2 Port 3 Port 4 1570 1640 1710 1780 1850 Frequency (MHz) 1920 1990 2060 2130 2200 1570 1640 1710 1780 1850 Frequency (MHz) 1920 1990 2060 2130 2200 Isolation 0 -85.00 Phase Balance -5 -86.00 -10 -87.00 -88.00 Phase (degrees) 1570 1640 1710 1780 1850 Frequency (MHz) 1920 1990 2060 2130 2200 -15 Isolation (dB) -20 -89.00 -25 -90.00 -30 -91.00 -35 -92.00 -93.00 -40 -45 -94.00 -50 1500 -95.00 1500 1570 1640 1710 1780 1850 Frequency (MHz) 1920 1990 2060 2130 2200 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] 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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