| 摘要 |
A quadrature modulation transceiver is capable of receiving an in-phase component and a quadrature-phase component corresponding to an input signal, and generating a transmitting signal by up-converting the in-phase component and the quadrature-phase component according to an in-phase transmitting carrier and a quadrature-phase transmitting carrier respectively. The quadrature modulation transceiver then adjusts the transmitting signal using a loopback parameter to generate a loopback signal. Next, the quadrature modulation transceiver down-converts the loopback signal to generate a receiving signal according to an in-phase receiving carrier and a quadrature-phase receiving carrier. Finally, the quadrature modulation transceiver computes calibration parameters of IQ imbalance for the transceiver calibration. |
