A Study on Configuration of Oscillator Circuits for Improving Phase Noise

  • Sakuta Yukinori
    Department of Electronics & Computer Science, College of Science and Technology, Nihon University
  • Arai Yuji
    Program in Electronic Engineering, Graduate School of Science & Technology, Nihon University
  • Sekine Yoshifumi
    Department of Electronics & Computer Science, College of Science and Technology, Nihon University

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  • 低位相雑音化に着目した発振回路の構成に関する検討
  • テイイソウ ザツオンカ ニ チャクモク シタ ハッシン カイロ ノ コウセイ ニ カンスル ケントウ

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Abstract

The advancement of the communication technology in recent years demands the technology of the high frequency and low phase noise of oscillator required for mobile telecommunications. In general, there are two important things for improving the phase noise characteristics of the oscillator. One is a design that the phase noise in the amplifier is suppressed to low. The other is a design having loaded Q as greatly as possible.<br>In this paper we shall discuss a configuration of oscillator circuit to obtain an extremely low phase noise and an oscillator operating at a non-reactive frequency of SAW resonator.

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