MAF1421B NISSHINBO | Alldatasheet
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Date Oct 26, 2022 X-band Magnetron Model No. MAF1421B Copyright© Nisshinbo Micro Devices Inc. Microwave Business Headquarters -Notice of Proprietary Information- This document and its contents are proprietary to Nisshinbo Micro Devices Inc. This publication and its contents may not be reproduced or distributed for any other purpose without the written permission of Nisshinbo Micro Devices Inc. Those specifications listed in this document are subject to change at any time. Microwave Business Headquarters Title: Datasheet of MAF1421B Reference No.: DS-MAF1421B Rev.: 04E Sheet: Released
＊Above Specifications are subject to change without notice. Reference No.: DS-MAF1421B Rev.: 04E Sheet: ■ GENERAL DESCRIPTION MAF1421B is designed for the magnetron of X -band radar system. The frequency range is fixed <9380 - 9440MHz> and the peak output power is 4kW. ■ ELECTRICAL CHARACTERISTICS PARAMETERS MINIMUM TYPICAL MAXIMUM UNITS Heater voltage (note 1) 5.7 6.3 6.9 V Heater current 0.5 0.55 0.6 A Preheat time 60 - - s Peak anode voltage (note 2) 3.4 3.6 3.8 kV Peak output power (note 2) 3.6 4.0 - kW Frequency (note 2) 9380 9410 9440 MHz ■ ABSOLUTE MAXIMUM RATINGS These ratings cannot necessarily be used simultaneously and no individual ratings should be exceeded. PARAMETERS MINIMUM MAXIMUM UNITS Peak anode current (note 3) 2.0 4.0 A Average anode power input - 13 W Duty cycle - 0.001 - Pulse duration 0.05 1.0 μs Rate of rise of voltage pulse - 70 kV/μs Anode temperature - 100 ℃ VSWR at the output coupler - 1.5 : 1 - Notes 1. With no anode input power. No reduction of heater voltage at operating is required. 2. Measured at peak anode current 3.0A. 3. Any overshoot of the anode current is not acceptable. And, sagging waveform of the anode current causes the poor spectrum and the shifting frequency in the pulse since a magnetron current pushing characteristics.
＊Above Specifications are subject to change without notice. Reference No.: DS-MAF1421B Rev.: 04E Sheet: ■ OUTLINE (Dimensions are expressed in “mm”.)