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A kind of low efficiency consumption oscillator circuit, it comprises: a reference voltage circuit, by using first voltage for producing a lower second voltage; an oscillator, functions in second voltage, and producing location precision and the oscillating signals relative to the sizes of the second voltage, and a location precision converter, it comprises a pull-up activate circuit and a pull-down activate circuit, and they are connected between oscillator output and location precision converter, and making whenever the location precision of the oscillating signal is greater than certain size, entire stabilized AC leakage current of the location precision converter shall be restrained.