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In this paper, simulated and measured phase noise characteristics for a charge-pump phase-locked loop (PLL) with a switched capacitor loop filter are presented. The PLL is fabricated using a 0.35 mum high-voltage CMOS technology. The PLL is designed for a reference frequency range from 3 kHz to 10 kHz, for divider value of 32, and to operate in temperature range from 40degC to +85degC and with 2.5...
The pseudo-continuous-time (CT) secondary (sense) readout technique introduced in this paper is applied to the open-loop secondary readout of a gyroscope operating in the low-pass region. The proposed 5.4 mW gyroscope interface includes an on-chip HV charge-pump (CP) for excitation and signal detection. A prototype is fabricated in a 0.35 mum HVCMOS technology.
A charge-pump phase-locked loop with a switched capacitor loop filter and kilohertz order reference with 0.35 mum high-voltage CMOS process is presented. The PLL is designed for a reference frequency range from 3 kHz to 10 kHz in temperature range from -40degC to +85degC and with 2.5 to 3.6 V supply. Simulations showed that the current consumption of the PLL is 7.3 muA with the 4 kHz reference frequency...
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