题目/Title：Digitally controlled oscillator with FIR-embedded ΔΣ modulation

作者/Author：喻学艺,柳承文,李宇根,王志华
                        Xueyi Yu,Chengwen Liu,Woogeun Rhee,Zhihua Wang

期刊/Journal：Electronic Letters

年份/Issue Date：20101-4 Aug.

卷（期）及页码/Volume（No.）&pages：pp. 97 - 100

摘要/Abstract：
A ΔΣ based digitally controlled oscillator(DCO) using a hybrid finite impulse response(FIR) filter to reduce the quantization noise and improve the shortterm jitter is presented. With parallel operation, the filter based noise reduction method does not cause additional latency to the digital phase-locked loop(PLL). The validity of the proposed method is proved by both simulation and measurement results.