Design of Broadband, High-Speed Dual-Modulus Prescaler for Multi-Mode PLL Frequency Synthesizer

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A architecture of multi-mode PLL frequency synthesizer one can meet a variety of communication standards is presented in this paper, which can provide each mode with the required frequency, while reducing the system's hardware cost. Optimized broadband high-speed dual-mode prescaler (DMP)'s internal structure, the principle of circuit design and its layout is introduced. The DMP is produced by 0.18μm CMOS technology. The post simulation results show that with the 1.8V power, the DMP's operating frequency range is 0.4 ~ 9.6GHz, the power consumption is 7.6mA.

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439-443

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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