CMOS水晶発振器の始動電圧
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概要
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Based on the characteristic of circuit current with exponential function in the weak inversion region of CMOS inverter, a precise formula for the calculation of trun-on voltage of oscillator is derived in this paper. The influence of trun-on voltage caused by various parameters of oscillator is discussed. Finally is found an investigation of optimum value selected hy trun-on voltage. Furthermore with regard to fulfil simultaneously the requirement of frequency stability with power dissipation, selection of circuit parameters has heen furnished.
- 1983-03-25