CAPACITIVE SAMPLING CIRCUIT

• Main Authors: VAN DER DUSSEN LEON, OLIEMAN ERIK, LITJES ALPHONS
• Format: Patent
• Language: Chinese; English
• Published: 09.10.2020
• Subjects: BASIC ELECTRONIC CIRCUITRY; CODE CONVERSION IN GENERAL; CODING; DECODING; ELECTRICITY

A capacitive sampling circuit includes: a first differential input end configured to receive a first of a pair of differential input signals; a second differential input configured to receive the other of the pair of differential input signals; a capacitive circuit output configured to provide a sampled output signal; a plurality of first sampling capacitors each having a first plate and a secondplate; a plurality of reference voltage terminals each configured to receive a respective reference voltage; and a first capacitor first board switching block configured to selectively connect the first board of each of the plurality of first sampling capacitors to any one of: (i) the first differential input; or (ii) a respective one of the plurality of reference voltage terminals; and a first capacitor second plate switch configured to selectively connect or disconnect the second plate of each of the plurality of first sampling capacitors to or from the second differential input. 一种电容取样电路包括：第一差分输入端，其被配置成接收一对差分输入信号中的