적응성 양자화 레벨을 갖는 저전력 CT ∑△모듈레이터

A wideband continuous-time sigma delta modulator utilizing adaptive level quantizer for wireless application is implemented in 130㎚ 1.2V CMOS bulk technology. This modulator achieves peak SNR of 55.29㏈ with 10㎒ signal Bandwidth and 320㎒ sampling frequency dissipating 22㎽.