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AssigneeMotorola, Inc.
InventorsMoshe Ben-Ayun, Ovadia Grossman, Shay Nir, Mark Rozental
Estimating the term…
A RFPA (radio frequency power amplifier) circuit (150) which includes a RFPA (101), a supply voltage source (104), means (155) for applying to the RFPA a gain control bias voltage and a feedback control loop (156) for adjusting a voltage applied to the RFPA, the feedback control loop including a sampler (107) for sampling an output of the RFPA, a RF detector (109) for detecting a level of RF power sampled by the sampler, a comparator (115) for comparing an output signal from the RF detector with a reference signal, an integrator (117) for integrating an output signal of the comparator and a voltage regulator (151) having a first input from the integrator and a second input from the supply voltage source and an output connected to the RFPA, the regulator being operable to apply to the RFPA a supply voltage adjusted in response to an input signal from the integrator.
A RFPA (radio frequency power amplifier) circuit which includes a RFPA, a supply voltage source, means for applying to the RFPA a gain control bias voltage and a feedback control loop for adjusting a voltage applied to the RFPA, the feedback control loop including a sampler for sampling an output of the RFPA, a RF detector for detecting a level of RF power sampled by the sampler, a comparator for comparing an output signal from the RF detector with a reference signal, an integrator for integrating an output signal of the comparator and a voltage regulator having a first input from the integrator and a second input from the supply voltage source and an output connected to the RFPA, the regulator being operable to apply to the RFPA a supply voltage adjusted in response to an input control signal from the integrator.
A RF transmitter which includes a RFPA, a supply voltage source, means for applying to the RFPA a gain control bias voltage and a feedback control loop for adjusting a voltage applied to the RFPA, the feedback control loop including a sampler for sampling an output of the RFPA, a RF detector for detecting a level of RF power sampled by the sampler, a comparator for comparing an output signal from the RF detector with a reference signal, an integrator for integrating an output signal of the comparator and a voltage regulator having a first input from the integrator and a second input from the supply voltage source and an output connected to the RFPA, the regulator being operable to apply to the RFPA a supply voltage adjusted in response to an input signal from the integrator.
Dependencies are inferred from the claim text.