Quantization noise cancellation for fractional-N phased-locked loop

• Main Authors: Deng, Wei, Fischette, Jr., Dennis M, Zhao, Feng
• Format: Patent
• Language: English
• Published: 19.02.2019
• Subjects: AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES; BASIC ELECTRONIC CIRCUITRY; ELECTRICITY

A system includes an oscillator, a frequency divider, and a delay circuit. The oscillator may generate a clock signal using a reference signal. A frequency of the clock signal may be a non-integer multiple of a frequency of the reference signal. The frequency divider may generate a feedback signal u...