Mstar Semiconductor, Inc.

Chia-Chun Hung

Tai-Lai Tung

Kai-Wen Cheng

Ting-Nan Cho

A signal receiving apparatus includes a phase recovery look, a phase estimation circuit, a phase noise detection circuit, and a bandwidth setting circuit. The phase recovery loop performs a phase recovery process on an input signal according to a bandwidth setting. The phase estimation circuit generates an estimated phase associated with the input signal. The phase noise detection circuit determines a phase noise amount according to the estimated phase. The bandwidth setting circuit calculates an average and a variance of the phase noise amounts, and adjusts the bandwidth setting of the phase recovery loop according to the average and the variance.

Growing community of inventors

Hsinchu Hsien, Taiwan

Chia-Chun Hung