Direct all-digital frequency synthesizers are favored by modern nanoscale CMOS
technologies but suffer from strong frequency spurs and timing irregularities. To counter …

The phase-locked loop (PLL) is one of the key building blocks of modern electronic designs.
This paper presents a novel PLL structure that utilizes a" flying-adder" frequency synthesizer …

Flying-adder frequency synthesis architecture is a novel technique of generating frequency
on chip. Since its invention, it has been utilized in many commercial products to cope with …

This is a rigorous mathematical theory of the operation of the flying-adder (FA) frequency
synthesizer (also called direct digital period synthesizer). The paper consists of two parts …

This is a rigorous mathematical theory of the operation of the flying-adder (FA) frequency
synthesizer (also called direct digital period synthesizer). The paper consists of two parts …

Twiddle factor (TF) generator is a key component in IFFT/FFT computation for current OFDM-
based wireless and wireline communication systems, such as IEEE 802.11 a/g, 802.16 …

A flying-adder frequency synthesis architecture has been developed recently. It has many
unique features which can not be easily achieved by conventional PLL based techniques …

The spirit of system-on-chip (SoC) approach is to integrate more and more system functions
into one single chip. Consequently, the on-chip clock requirement could be very complicated …

The" Flying-Adder" architecture is a frequency and phase synthesis technique that is based
on a voltage-controlled oscillator (VCO) of multiple delay stages. Since the invention of this …

The spectrum and time-domain output of the flying-adder frequency synthesizer are derived
analytically. The amplitude and phase of the average-frequency component are derived in …