Patent ID: 11892360
Assignee: STMICROELECTRON NTERNATIONAL N.V.
Field: Basic communication processes (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 2:
3. The temperature sensing circuit of claim 2, wherein the switched capacitor circuit further comprises:
a third variable capacitance used to sample and hold the base-emitter voltage of the first bipolar junction transistor, the third variable capacitance being comprised of a number α of parallel connected capacitors of a same capacitance;
a first fixed capacitance used to sample and hold ground;
a second fixed capacitance used to sample and hold the base-emitter voltage of the third bipolar junction transistor; and
a fourth variable capacitance used to sample and hold the base-emitter voltage of the second bipolar junction transistor, the fourth variable capacitance being comprised of α parallel connected capacitors of a same capacitance.