Polar feedback receiver for modulator

1. A modulator comprising:

a radio frequency (RF) component to perform modulation of a baseband signal to produce a modulated RF signal utilizing a magnitude error coefficient and a phase error coefficient, the RF component comprising a feedback receiver to extract the baseband signal, for linear amplification, by producing a magnitude signal plus distortion and a phase signal plus distortion;

an algorithm component configured to generate the magnitude error coefficient according to the magnitude signal plus distortion and to generate the phase error coefficient according to the phase signal plus distortion, the magnitude error coefficient and the phase error coefficient collectively comprising an error signal coefficient;

wherein the RF component uses the feedback receiver for linear amplification by introducing an inverse magnitude baseband signal at the feedback receiver; and

wherein the RF component uses the feedback receiver to produce a limited modulated RF signal by combining the modulated RF signal with an inverse magnitude of the baseband signal, wherein the limited modulated RF signal is used to split the modulated RF signal into phase modulation and amplitude modulation components.

2. The modulator of claim wherein the RF component provides direct extraction of the baseband signal without conversion of domains.

3. The modulator of claim 1 , wherein the RF component extracts the baseband signal for measuring the magnitude error coefficient and the phase error coefficient of the modulated RF signal.

4. The modulator of claim 3 , wherein the error signal coefficient includes a delay between a phase modulation signal and an amplitude modulation signal, resulting in modulating signals being applied to different portions of a RF frequency carrier.

5. The modulator of claim 1 , wherein the RF component comprises a high power efficiency nonlinear amplifier for amplification of the modulated RF signal.

6. The modulator of claim 1 further comprising a Look Up Table (LUT) component having magnitude gain factors corresponding to the magnitude error coefficient, wherein the linear amplification is generated from an output of the LUT which includes a compensated magnitude signal.

7. The modulator of claim 1 , further comprising an inverse baseband magnitude component configured to generate a reversed baseband magnitude signal from a compensated magnitude signal and wherein the feedback receiver is configured to utilize the reversed baseband magnitude signal to remove amplitude modulation content from the modulated RF signal and produce a limited modulated RF signal.

8. The modulator of claim 7 , wherein the feedback receiver is configured to extract the phase signal plus distortion from the limited modulated RF signal through the use of a phase discriminator.

9. The modulator of claim 8 , wherein the feedback receiver is configured to combine the modulated RF signal and the limited modulated RF signal to generate the magnitude signal plus distortion.

10. The modulator of claim of claim 7 , wherein the feedback receiver is configured to extract phase distortion from the limited modulated RF signal.

11. A modulator comprising:

a radio frequency (RF) component to perform modulation of a baseband signal to produce a modulated RF signal utilizing a magnitude error coefficient and a phase error coefficient, the RF component comprising a feedback receiver to extract the baseband signal, for linear amplification, by producing a magnitude signal plus distortion and a phase signal plus distortion;

an algorithm component configured to generate the magnitude error coefficient according to the magnitude signal plus distortion and to generate the phase error coefficient according to the phase signal plus distortion, the magnitude error coefficient and the phase error coefficient collectively comprising an error signal coefficient

an inverse baseband magnitude component configured to generate a reversed baseband magnitude signal from a compensated magnitude signal and wherein the feedback receiver is configured to utilize the reversed baseband magnitude signal to remove amplitude modulation content from the modulated RF signal and produce a limited modulated RF signal;

wherein the feedback receiver is configured to extract phase distortion from the limited modulated RF signal; and

wherein the feedback receiver is configured to generate the magnitude signal plus distortion from the limited modulated RF signal and the modulated RF signal and to extract the magnitude distortion from the magnitude signal plus distortion using a square root component.

12. The modulator of claim 11 , further comprising a lookup component configured to generate the compensated magnitude signal according to the magnitude error coefficient.

13. The modulator of claim 1 , further comprising a baseband component configured to receive data signals, produce the baseband signal from the data signals, and provide the baseband signal to the radio frequency component.