QHF-2A-100 SQ 90° QUADRATURE HYBRID REV: 001, 03/13/02 • SPACE QUALIFIED • 95 - 105 MHz, 10% BANDWIDTH • FLATPACK SERIES 05 TECHNICAL DESCRIPTION / APPLICATION The QHF-2A-100 SQ 90° quadrature hybrid covers a frequency range of 95 - 105 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 ISOLATION (dB) MHz MIN. 23 QHF-2A-100 SQ 95 - 105 INPUT POWER MAX COUPLING 1W INSERTION LOSS dB AMPLITUDE BALANCE dB TYP. MAX. TYP. 27 0.3 0.2 PHASE BALANCE VSWR INPUT/ OUTPUT MAX. TYP. MAX. TYP. MAX. TYP. 0.75 0.5 ±2° 1° 1.3:1 1.2:1 WEIGHT MAX. OPERATING TEMPERATURE NOM. IMPEDANCE NOM. 3.0 dB 50 OHM 2.8 g -55° to +85 ° C PACKAGE OUTLINE .312±.030 .150 MAX. [3.81] [7.92±0.76] (TYP) 3 4 .385±0.020 [9.78±.508] *.350 TYP [8.89] .510±0.020 [12.954±0.508] *.100 TYP [2.54] *.080 TYP 5 [2.03] 2 1 *.250 TYP [6.35] ø.015±0.005 [0.38±0.127] TYP. 8 PINS 1 Phasing Diagram A 2 1 2 3 4 0° 0° -90° Isolation Isolation -90° *.050±0.015 [1.27±0.381] 3 4 -90° Isolation Isolation -90° 0° 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. 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