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| QHD-2Z-3.5G QUAD HYBRID REV: 005, 07/13/05 TECHNICAL DESCRIPTION FEATURES * 3.3 - 3.7 GHz * HIGH POWER...25 WATTS CW * LOW LOSS * LOW VSWR * SURFACE MOUNT * TAPE & REEL AVAILABLE APPLICATIONS * WIFI * WIRELESS LANS * POINT-TO-POINT RADIO * WiMAX The Multi-Mix(R) QHD-Z series provides a 3 dB, quadrature coupler with low insertion loss, high isolation, and high power handling in a small outline. Accurate phase and amplitude balance make them ideal for applications involving IQ networks, power amplifiers, signal distribution and processing. The QHD-Z series is an easy to install SMD designed specifically for the full spectrum of wireless applications. The high stability ceramic filled PTFE dielectrics utilized in these components are compatible with common substrates such as FR-4, G-10, and polyamide. The wrap around ground plane provides excellent EM shielding. GENERAL SPECIFICATIONS FREQUENCY RANGE GHz 3.3 - 3.7 PHASE BALANC E (MAX.) 90 3 INPUT POWER (MAX.) 25 W ISOLATION (dB MIN.) 16 SIZE (INCHES) 0.175 x 0.175 x 0.086 INSERTION LOSS (dB MAX) 0.40 WEIGHT (OZ.) 0.003 VSWR (MAX.) 1.45:1 AMPLITUDE BALANCE (dB MAX.) 0.5 OPERATING TEMPERATURE RF INTERFACE Surface Mount -55 - +85 C PACKAGE OUTLINE / TAPE & REEL ORIENTATION DIRECTION OF FEED P 0 MOUNTING ORIENTATION: MARKING DOT ON TOP SIDE 0.175 PAD 1 K 0 4 0.054 0.030 W "A" "A" B0 0.175 3 1 SEE DETAIL A O0.031 P 1 MARKED SIDE UP 2 TOP VIEW 0.007 .086 0.007 A 0 SECTION "A"-"A" W ENGLISH (in) 0.4724 METRIC (mm) 12.00 P 1 0.3150 8.00 P 0 0.1575 4.00 A0 0.1949 4.95 B0 0.1988 5.05 K0 0.1083 2.75 NOTES: 1. ALL DIMENSIONS ARE IN INCHES. 2. TOLERANCES: -3 PLACE DECIMALS; .005. 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-2Z-3.5G Coupling -2 -2.25 -2.5 1.5 1.45 1.4 1.35 1.3 1.25 1.2 1.15 1.1 1.05 3350 3400 3450 3500 3550 3600 3650 3700 1 3300 3350 3400 3450 VSWR -3 -3.25 -3.5 -3.75 -4 3300 S21 S41 VSWR -2.75 VSWR1 VSWR2 VSWR3 VSWR4 dB 3500 3550 3600 3650 3700 F (MHZ) F (MHZ) Isolation 0 -5 -10 -15 95 94 93 92 Phase Balance Degrees -20 91 90 89 88 87 86 85 3300 3350 3400 3450 3500 3550 3600 3650 3700 dB -25 -30 -35 -40 -45 -50 3300 3350 3400 3450 3500 3550 3600 3650 3700 s31 s42 phase(IN 1) phase(IN 3) F (MHZ) F (MHZ) MOUNTING GUIDELINES 0.1750 PLATED THROUGH HOLES TO GROUND PLANE 0.1750 Substrate Material = Rogers RO4003; 0.020" Thickness; 1 oz. Electrodeposited Copper Feed Transmission Lines = Grounded CPW; Line Width = 0.039" Line-Ground Spacing = 0.015" GROUND PLANE TRUTH TABLE 1 1 2 3 4 In 0 Isolated -90 2 0 In -90 Isolated 3 Isolated -90 In 0 4 -90 Isolated 0 In THE MULTI-MIX MICROTECHNOLOGY(R) GROUP IS ISO 9001:2000 REGISTERED 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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