Current-reused CMOS 8:1 injection-locked frequency divider employing two wide locking range subfrequency dividers

被引：0

作者：

Jang, Sheng-Lyang ^{[1
]}

机构：

[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei, Taiwan

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2023年 / 65卷 / 10期

关键词：

4; 1 ring oscillator frequency divider; 8; 1 injection-locked frequency divider; CMOS; current reuse; locking range;

D O I：

10.1002/mop.33775

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Conventional current-reused 8:1 injection-locked frequency dividers (ILFDs) either use a 2:1 p-core LC sub-ILFD stacking on a direct-injection 4:1 n-core LC sub-ILFD or a 2:1 ring-oscillator LC sub-ILFD stacking on a direct-injection 4:1 n-core LC sub-ILFD. Because the current-mode 4:1 n-core LC sub-ILFD normally has a smaller locking range, it restricts the locking range of a current-reused 8:1 ILFD. This article studies a wide locking range 8:1 current-reused ILFD designed in a 0.18 mu m CMOS process. The designed 8:1 ILFD uses a 4:1 ring-oscillator LC sub-ILFD stacking on a direct-injection 2:1 n-core LC sub-ILFD. At the core power consumption 19.53 mW and at the incident power of 0 dBm, the 8:1 locking range is 1.11 GHz (65.37%), from the incident frequency 4.16-8.2 GHz.

引用

页码：2716 / 2720

页数：5

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