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| QHF-2A-200 SQ 90 QUADRATURE HYBRID REV: 001, 03/13/02 * SPACE QUALIFIED * 190 - 210 MHz, 10% BANDWIDTH * FLATPACK SERIES 05 TECHNICAL DESCRIPTION / APPLICATION The QHF-2A-200 SQ 90 quadrature hybrid covers a frequency range of 190 - 210 MHz using a special lumped element design to reduce the size while maintaining high performance. This device has been designed in accordance with Merrimac document CENG-0001, "Standard Design Requirements for Space Qualified Devices". GENERAL SPECIFICATIONS MODEL NUMBER FREQUENCY RANGE MHz QHF-2A-200 SQ INPUT POWER MAX 190 - 210 COUPLING NOM. 1W 3.0 dB ISOLATION (dB) MIN. 23 TYP. 27 IMPEDANCE NOM. 50 OHM INSERTION LOSS dB MAX. 0.3 TYP. 0.2 AMPLITUDE BALANCE dB MAX. 0.75 WEIGHT MAX. 2.8 g TYP. 0.5 PHASE BALANCE MAX. 2 TYP. 1 VSWR INPUT/ OUTPUT MAX. 1.3:1 TYP. 1.2:1 OPERATING TEMPERATURE -55 to +85 C PACKAGE OUTLINE .3850.020 [9.78.508] .312.030 [7.920.76] (TYP) .150 MAX. [3.81] .5100.020 [12.9540.508] *.350 TYP [8.89] *.250 TYP [6.35] o.0150.005 [0.380.127] TYP. 8 PINS *.100 TYP [2.54] *.080 TYP 5 [2.03] *.0500.015 [1.270.381] 1 1 2 3 4 0 Phasing Diagram A 2 0 3 -90 Isolation 4 Isolation -90 0 -90 Isolation Isolation -90 NOTES: 1. TOLERANCE ON 3 PLACE DECIMALS .010 [.25mm] EXCEPT AS NOTED. 2. MAX. IS LARGEST DIMENSION ALLOWED. 3. DIMENSIONS = INCHES [mm] 4. METRIC EQUIVALENTS ARE TO THE NEAREST .01mm. 5. ALL LEADS TO BE WITHIN .010 [.25mm] OF EACH OTHER AT THIS DIMENSION. 6. DIMENSIONS MARKED WITH * APPLY ONLY AT BODY. 7. ALL UNMARKED PINS ARE CASE GROUND. 4 1 2 3 0 Merrimac Industries, RF & Microwave Products Division / 41 Fairfield Place, West Caldwell, NJ 07006 Tel: 973.575.1300 / Fax: 973.575.0531 / Internet: www.Merrimacind.com |
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