›› 2013, Vol. 26 ›› Issue (6): 61-.
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NIE Shenglai
Online:
Published:
Abstract:
Feed-forward technique is an effective method for improving the linearity of solid state amplifier.In order to satisfy the requirement of high-linearity in satellitic solid state amplifier,with the product developed by the 13th Research Institute the paper introduces a classic feed-forward super-linear technique using satellitic solid state amplifier.The paper analyses the feed-forward super-linear principle,preferences of the solid drive amplifier,main amplifier,error amplifier and the choice of vector modulator and adaptive circuit of the amplifier.The third-order intermodulation of satellitic amplifier using feed-forward super-linear technique is smaller than -50 dBc,i.e.an improvement by more than 30 dB relative to traditional solid state amplifier.
Key words: feed-forward super-linear technique;third-order intermodulation;star with solid discharge
CLC Number:
NIE Shenglai. Application of Feed-forward Technique in Satellitic Solid State Amplifier[J]., 2013, 26(6): 61-.
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https://journal.xidian.edu.cn/dzkj/EN/Y2013/V26/I6/61
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