| 摘要 |
An analog level shifter includes a voltage output circuit which generates a first voltage and a second voltage in response to an input voltage and which adds the second voltage to the first voltage to output a third voltage, a voltage-current converting circuit to which the third voltage is inputted and which outputs a converted current proportional to the third voltage, a current subtracting circuit which subtracts a desired current from the converted current outputted by the voltage-current converting circuit, to output the resulting current, and a current-voltage converting circuit which generated a fourth voltage proportional to the current outputted by the current subtracting circuit.
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