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Highlights

With rapid advances in CMOS technology, the CMOS circuit operating in millimeter-wave (MMW) band has attracted increasing interest and research [1,2,3,4,5,6,7,8,9], such as point-to-point communications, image sensing, and automotive radar systems.Frequency dividers are key components for frequency synthesizer in a MMW PLL
The post simulation results of the proposed injection-locked frequency divider (ILFD) are summarized in Table 1, the comparison with the reported state-of-the-art ILFD realized in 0.13 μm CMOS process is given
To meet the requirement of the 60 GHz transceiver, a wide locking range ILFD is presented in this paper

Summary

Introduction

With rapid advances in CMOS technology, the CMOS circuit operating in millimeter-wave (MMW) band has attracted increasing interest and research [1,2,3,4,5,6,7,8,9], such as point-to-point communications, image sensing, and automotive radar systems. Currentmode-logic (CML) static divider [1], Miller divider [2], and injection-locked frequency divider (ILFD) [3,4,5,6,7] are widely used in various applications. Among these dividers, the CML static diver covers a wide locking range, but its input frequency is low and its power consumption is usually high, compared with ILFDs. For a Miller divider and an ILFD, they have a higher input frequency. For a Miller divider and an ILFD, they have a higher input frequency Several design considerations for the ILFD are analyzed for increasing the wide locking-range.

System Architecture

Circuit Implementation

Circuit Structure

Locking Range

Simulation Results

Performance Comparison

Conclusions