A 1-μW/MHz RC Oscillator With Three-Point Trimmed 2.1-ppm/°C and Single-Point Trimmed 8.7-ppm/°C Stability From40 °C to 95 °C

This article presents techniques to improve the frequency stability of RC oscillators by performing first- and second-order temperature compensation without needing resistors with opposite temperature coefficients (TCs). Using the proposed three-point digital trim, a prototype 100-MHz frequency-lo...

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Veröffentlicht in:	IEEE journal of solid-state circuits 2023-07, Vol.58 (7), p.2064-2074
Hauptverfasser:	Park, Kyu-Sang, Khashaba, Amr, Abdelrahman, Ahmed, Li, Yongxin, Wang, Tianyu, Xia, Ruhao, Pal, Nilanjan, Hanumolu, Pavan Kumar
Format:	Artikel
Sprache:	eng
Schlagworte:	<italic xmlns:ali="http://www.niso.org/schemas/ali/1.0/" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">RC oscillator Delta-sigma modulator Frequency locked loops Frequency locking Frequency stability Oscillators Power efficiency pulse density modulation Regression models Resistance Resistors ring voltage-controlled oscillator (VCO) Sensitivity switched capacitor switched resistor Switches Temperature compensation Temperature sensors
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