Low-Voltage High-Speed High-Linearity MOSFET-Only Analog Bootstrapped Switch for Sample-and-Hold Circuits
سال انتشار: 1394
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 450
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شناسه ملی سند علمی:
KBEI02_035
تاریخ نمایه سازی: 5 بهمن 1395
چکیده مقاله:
In this paper, a low-voltage high-speed high-linearity MOSFET-only analog bootstrapped switch for sample-and-hold circuits is successfully designed and implemented in TSMC 0.18 μm standard digital complementary metal–oxide–semiconductor (CMOS) technology. In the proposed structure, constant capacitor of the analog bootstrapped switch is replaced with anti-parallel depletion-mode metal–oxide–semiconductor (MOS) devices. In addition to area efficiency achieved by replacing the capacitor with MOS transistors, the integration of the analogue bootstrapped switch would become compatible with standard digital CMOS technologies. Circuit-level simulations show that at 25 MHz input signal and 250 MHz sampling clock frequency with 0.9Vpp supply voltage, the proposed switch performs well and provides a high linearity.
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نویسندگان
Peyman Pouya
Dept. of Electrical Engineering Bushehr Branch, Islamic Azad University, Bushehr, Iran
Abdolrasoul Ghasemi
Dept. of Electrical Engineering Bushehr Branch, Islamic Azad University, Bushehr, Iran
Hamed Aminzadeh
Dept. of Electrical Engineering Payame Noor University Tehran, Iran