E-viri
Recenzirano
-
Kuo, Yue-Fang; Yang, Ming-Hsien; Chiang, Yi-Chien
IEEE microwave and wireless components letters, 01/2021, Letnik: 31, Številka: 1Journal Article
The design of an adjustable loop bandwidth (LBW) frequency synthesizer with an on-chip loop filter (LF) array is presented. The LF array based on the simple capacitor multiplier topology is proposed to support LBW switching between 500 kHz and 1 MHz while saving 82.9% chip size compared to the traditional LF array. The maximum capacitance of 108 pF is realized by using the capacitor multiplier with an on-chip capacitance of 6 pF. The proposed frequency synthesizer is implemented in Taiwan Semiconductor Manufacturing Company (TSMC) 0.18-<inline-formula> <tex-math notation="LaTeX">\mu \text{m} </tex-math></inline-formula> CMOS process and supplied at 1.8 V with a current dissipation of 11.8 mA.
