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| QHDZ-2H-0.48G QUAD HYBRID PRELIMINARY REV: 002, 03/16/06 TECHNICAL DESCRIPTION FEATURES * 435 - 524 MHz * LOW LOSS * HIGH ISOLATION * EXCELLENT PHASE/AMPLITUDE BALANCE * SURFACE MOUNT * TAPE & REEL AVAILABLE APPLICATIONS * CDMA 450 BASE STATION POWER AMPLIFIERS * UHF LAND MOBILE RADIO BASE STATION POWER AMPLIFIERS * UHF RADAR (400-500 MHz) The Multi-Mix(R) QHDZ-2H-0.48G provides a 3 dB 90 coupling with low insertion loss, low VSWR, and high isolation for use in the 435 - 524 MHz range. 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) 0.25 INPUT POWER (CW @ 1.2:1 OUTPUT VSWR) 125 AMPLITUDE BALANCE (dB MAX) 0.2 PHASE BALANCE 435 - 524 90 2 ISOLATION (dB MIN) VSWR (ALL PORTS) RF INTERFACE OPERATING TEMPERATURE 27 1.12:1 Surface Mount -55 - +95 C PACKAGE OUTLINE / TAPE & REEL ORIENTATION DIRECTION OF FEED .560 [14.22] PORT 2 PORT 1 P 0 P 1 PAD 1 K 0 "A" "A" B0 .350 [8.89] QHDZ-2H-0.48G .040 [1.02] TYP. W MARKED SIDE UP PORT 3 .059 [1.50] TYP. PORT 4 .080 [2.03] 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-0.48G Coupling -2.4 -2.6 Coupling (dB) -2.8 1.2 VSWR VSWR Coupled 1.3 1.25 Port 1 Port 2 Port 3 Port 4 Direct -3 -3.2 -3.4 -3.6 -3.8 435 1.15 1.1 1.05 1 435 445 455 465 475 485 495 Frequency (MHz) 505 515 525 535 445 455 465 475 485 495 Frequency (MHz) 505 515 525 535 Isolation 0 -5 -10 -15 -20 -25 -30 -35 -94 -40 435 445 455 465 475 485 495 Frequency (MHz) 505 515 525 535 -95 435 Phase (degrees) Isolation (dB) -85 -86 -87 -88 -89 -90 -91 -92 -93 Phase Balance 445 455 465 475 485 495 Frequency (MHz) 505 515 525 535 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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