Patent ID: 11888504
Assignee: APPLE INC.
Field: Telecommunications (Electrical engineering)
Classification: CPC H  G | IPC H

Claim 0:
1. An electronic device comprising:
a signal source;
an output load coupled to the signal source over a signal path, the signal source being configured to transmit a signal to the output load over the signal path and the output load having a first reflection coefficient;
a signal coupler disposed on the signal path, the signal coupler having a first node communicably coupled to the signal source, a second node communicably coupled to the output load, a third node, and a fourth node, and the signal coupler being characterized by scattering parameters S21, S32, S22, and S31;
a power detector communicably coupled to the third node and configured to measure a voltage at the third node; and
a termination communicably coupled to the fourth node, the termination having circuit components that configure the termination to exhibit a second reflection coefficient that is directly proportional to S21*S32−S22*S31.