Configuration-feedback circuitry and transceiver circuitry are disclosed. The configuration-
feedback circuitry regulates an output power from a radio frequency power amplifier based …

(57) ABSTRACT A diagnostic system for collecting, processing, recording and analyzing
sounds associated with the physiologic activities of various human organs. The system …

(57) ABSTRACT A channel structure and mechanisms that Support effective and efficient
allocation and utilization of the reverse link resources. In one aspect, mechanisms are …

This disclosure relates to radio frequency (RF) power con verters and methods of operating
the same. In one embodi ment, an RF power converter includes an RF switching con verter …

A switch mode power supply converter and a parallel amplifier are disclosed. The switch
mode power supply converter is coupled to a modulated power supply output and the …

(57) ABSTRACT A radio frequency (RF) system includes an RF power ampli fier (PA), which
uses an envelope tracking power supply voltage to provide an RF transmit signal, which has …

(57) ABSTRACT A system and method for performing sample rate conversion and creating
fractional delays to a signal is disclosed. The system comprises a filter, a look up table for …

This disclosure relates to radio frequency (RF) power con Verters and methods of operating
the same. In one embodi ment, an RF power converter includes an RF switching con verter …

An open loop envelope tracking system calibration technique and circuitry are proposed. A
radio frequency power amplifier receives a modulated signal. An envelope tracker power …

The detailed description described embodiments of highly efficient power management
systems configurable to simultaneously generate various output voltage levels for different …