Patent ID: 11913988
Assignee: QUALCOMM TECHNOLOGIES, INC.
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 6:
7. The method of claim 6, wherein the oscillator circuit comprises:
a buffer amplifier having a first buffer input terminal and a second buffer input terminal, and a buffer output terminal, the buffer output terminal in electrical communication with the common mode terminal;
a first oscillator branch comprising a first switch controllable into an open configuration and a closed configuration, the first switch electrically coupled between a first voltage source providing a first voltage, and the first buffer input terminal;
a second oscillator branch comprising a second switch controllable into an open configuration and a closed configuration, the second switch electrically coupled between a second voltage source and the second buffer input terminal, the second voltage source providing a second voltage that is less than the first voltage;
a controller circuit configured to:
alternately close the first switch to couple the first voltage source and the first buffer input terminal and to open the first switch to isolate the first voltage source from the first buffer input terminal; and
alternately open the second switch to isolate the second voltage source from the first buffer input terminal and close the second switch to couple the second voltage source to the first buffer input terminal, such that the first voltage source and the second voltage source are not simultaneously coupled to the first buffer input terminal.