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5 0 DIVIDERS / COMBINERS REV: 006, 05/02/01 PDF-4E-250 SQ * SPACE QUALIFIED * 10 - 500 MHz * 4 WAY FLATPACK * HI-REL FLATPACK TECHNICAL DESCRIPTION / APPLICATION The PDF-4E-250 SQ is a wideband, lumped element, 4 way power divider, covering 10 - 500MHz. Its toroidal transformer design yields high performance with small size and weight. Parts, materials and processes in accordance with Merrimac document CENG-0001, "Standard Design Requirements for Space Qualified Devices". SERIES 05 GENERAL SPECIFICATIONS MODEL NUMBER PDF-4E-250 SQ INPUT POWER MAX FREQUENCY RANGE MHz 10 - 500 COUPLING NOM. 1W -6 dB ISOLATION dB MIN. 25 NOM. 50 OHM TYP. 28 1.2 MAX. 50 mW INSERTION LOSS dB MAX. TYP. 1.0 AMPLITUDE BALANCE dB MAX. 0.2 MAX. 12g -55 to +85 C TYP. 0.1 PHASE BALANCE MAX. 3 TYP. 2 VSWR INPUT/ OUTPUT MAX. 1.3:1 TYP. 1.2:1 IMPEDANCE INTERNAL POWER DISSIPATION WEIGHT OPERATING TEMPERATURE PACKAGE OUTLINE .160 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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