Apparatus and method for protecting supply modulator

摘要

An apparatus and a method for recognizing an electric over-stress of a hybrid supply modulator including a linear regulator and an Switching Mode Power Supplier (SMPS), and protecting a network from the electric over-stress are provided. The hybrid supply modulator includes at least one sensing unit and at least one actuator unit. The at least one sensing unit senses at least one of a current and a voltage at one or more points defined in advance within a supply modulator network. The at least one actuator unit performs a protection action corresponding to at least one electric over-stress situation represented by the sensing result.

主权项

1. A hybrid supply modulator apparatus, the apparatus comprising:
a switching mode power supplier (SMPS) for generating a current of a modulated power signal; a linear regulator for generating a sourcing current for supplementing a shortage amount of a current generated by the SMPS and generating a sinking current for removing an excessive amount of the current; at least one sensing unit configured to sense at least one of a current and a voltage at one or more points defined in advance within a circuit of the hybrid supply modulator; and at least one actuator unit configured to perform a protection action corresponding to at least one electric over-stress situation represented by the sensing result.