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| QHD-2X-1.4G QUAD HYBRID REV: 008, 02/11/08 TECHNICAL DESCRIPTION * 1.2 - 1.6 GHz * LOW LOSS * HIGH ISOLATION * EXCELLENT PHASE/AMPLITUDE BALANCE * SURFACE MOUNT * TAPE & REEL AVAILABLE 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. 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 GHz 1.2 - 1.6 AMPLITUDE BALANCE (dB MAX) 0.4 ISOLATION (dB MIN) 20 INPUT POWER (CW, MAX) 100 W INSERTION LOSS (dB MAX) 0.25 VSWR (MAX) 1.3:1 PHASE BALANCE (MAX) RF INTERFACE OPERATING TEMPERATURE 904 Surface Mount -55 - +85 C PACKAGE OUTLINE/ TAPE & REEL ORIENTATION DIRECTION OF FEED PORT 2 0.280 PORT 1 P 0 P 1 PAD 1 K 0 0.020 0.200 QHD-2X-1.4G QHD-2X-1.4G W "A" "A" B0 MARKED SIDE UP PORT 3 Top View 0.040 PORT 4 A 0 SECTION "A"-"A" ENGLISH (in) METRIC (mm) W 0.6299 16.00 P1 0.3150 8.00 P0 0.1575 4.00 A0 0.213 5.41 B0 0.2708 6.88 K0 0.0649 1.65 0.081 Side View 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-2X-1.4G VSWR 1.5 1.4 1.3 1.2 1.1 1 1200 Coupling (dB) Coupling Port 3 Port 4 -2 -2.25 -2.5 Port 1 Port 2 Direct Coupled VSWR -2.75 -3 -3.25 -3.5 -3.75 1250 1300 1350 1400 1450 Frequency (MHz) 1500 1550 1600 -4 1200 1250 1300 1350 1400 1450 Frequency (MHz) 1500 1550 1600 Phase Balance 0 -85 -86 -87 Phase (degrees) -88 -89 -90 -91 -92 -93 -94 -95 1200 1250 1300 1350 1400 1450 1500 1550 1600 -50 1200 1250 1300 1350 -40 Isolation (dB) -20 -10 Isolation -30 1400 1450 1500 1550 1600 Frequency (MHz) Frequency (MHz) 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 0.220 [5.59] 0.200 [5.08] GROUND VIAS PLATED THRU 0.034 TYP. [0.86] 0.120 [3.05] 0.050 [1.27] 0.068 [1.73] QHD-2X-1.4G 0.063 [1.60] GROUND PLANE TRUTH TABLE 1 1 2 3 4 Input Isol -90 0 2 Isol Input 0 -90 3 -90 0 Input Isol 4 0 -90 Isol 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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