Junghyup Lee and SeongHwan Cho, “A 10 MHz 80 μW 67 ppm/°C CMOS Reference Clock Oscillator with a Temperature Compensated Feedback Loop in 0.18 μm CMOS,” in Proc. IEEE Symp. VLSI Circuits (VLSIC), Jun. 2009, pp. 226–227. (One of the world’s 3 top semiconductor conferences)

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