| 摘要 |
An oscillation circuit includes: an inverter circuit that is composed of at least one pair of transistors including an n-type transistor and a p-type transistor, the inverter circuit being formed in a single crystal semiconductor layer deposited on an insulator; a gate terminal capacitance whose one end is connected to an input end of the inverter circuit and another end is grounded; a drain terminal capacitance whose one end is connected to an output end of the inverter circuit and the other end is grounded; and a feedback resistance and a resonator that are connected in parallel between the input end and the output end of the inverter circuit, the drain terminal capacitance having a capacitance value that is smaller than the capacitance value of the gate terminal capacitance.
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