Low voltage, wide frequency range oscillator
作者： Sameer Wadhwa
DOI:
关键词: Range (statistics) 、 Electrical engineering 、 Oscillation amplitude 、 Replica 、 Coupling 、 PMOS logic 、 Control theory 、 Low voltage 、 Delay line oscillator 、 Voltage 、 Engineering
摘要: A wide frequency, low voltage oscillator includes multiple delay elements, in which each element two inverters coupled through a latching into differential-type configuration. Two current-source PMOS devices bias the high-gain region at low-voltage. By coupling these start-up of is reduced. Each also biased using replica circuit that scales supply/control and provides scaled to control lower rail oscillation amplitude. rail, amplitude follows changes voltage.
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