Patent ID: 9432020
Filing Date: 2016-08-30
CPC Classification: G01R,H03K

Claim Text:
1. A communication cell, comprising: a physical interface coupled to a first input terminal of the communication cell and configured to supply to the first input terminal an input signal, wherein, in a first operating condition, said input signal is a first operating signal capacitively coupled to the physical interface and supplied by a capacitive-signal source and, in a second operating condition, said input signal is a second operating signal ohmically coupled to the physical interface and supplied by an ohmic-signal source; and a first receiver circuit including a buffer configured to form an interface for reception of said second operating signal and generation of a second intermediate signal correlated to said second operating signal; a second receiver circuit including a transimpedance-amplifier circuit operatively coupled to said capacitive-signal source and configured to receive and amplify said first operating signal to generate a first intermediate signal; an output stage configured to be coupled to said integrated circuit and including a selector device configured to receive the first intermediate signal and the second intermediate signal and to make available to said integrated circuit only the first intermediate signal in the first operating condition and only the second intermediate signal in the second operating condition.