Centered on how to improve the quartz crystal oscillator frequency stability, the paper focused on the following aspects of work: analysis of the quartz resonator and the characteristics of the performance of crystal oscillator, so as to the high degree of stability in the quartz crystal oscillator The crystal to provide the basis for the choice. Analysis of the basic tenets of oscillation circuit, designed by 2 N3904 posed by quartz crystal oscillator circuit, and circuits in output regulators and circuit design of some of the issues discussed. Finally, on a constant temperature crystal oscillator the main production process and technical indicators, and trial production of quartz crystal oscillator technical performance of samples were tested and analyzed.

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