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Erschienen in:
Buchtitelbild

2014 | OriginalPaper | Buchkapitel

1. A Monolithic CMOS Self-compensated LC Oscillator Across Temperature

verfasst von : A. Helmy, N. Sinoussi, A. Elkholy, M. Essam, A. Hassanein, A. Ahmed

Erschienen in: Frequency References, Power Management for SoC, and Smart Wireless Interfaces

Verlag: Springer International Publishing

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Abstract

This paper describes a monolithic CMOS reference clock based on an LC oscillator. To achieve a low temperature coefficient, its LC tank is operated at a temperature-null phase. The result is a self-compensated oscillator (SCO) whose output can be programmed from 1 to 133 MHz and which draws 7 mA (no load) from a 3.3 V supply at 25 MHz. After a low cost room temperature trim, the SCO in both ceramic and plastic packages achieves a measured stability of ±50 ppm from −20°C to +70°C. At 133 MHz, its integrated jitter is 0.4 ps from 1.875 to 20 MHz, while at 25 MHz its period jitter is 2.7 ps.

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Nächstes Kapitel A Piezo-resistive, Temperature Compensated, MEMS-Based Frequency Synthesizer
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Metadaten
Titel
A Monolithic CMOS Self-compensated LC Oscillator Across Temperature
verfasst von
A. Helmy
N. Sinoussi
A. Elkholy
M. Essam
A. Hassanein
A. Ahmed
Copyright-Jahr
2014
Buch
Frequency References, Power Management for SoC, and Smart Wireless Interfaces

Print ISBN: 978-3-319-01079-3

Electronic ISBN: 978-3-319-01080-9

Copyright-Jahr: 2014

DOI
https://doi.org/10.1007/978-3-319-01080-9_1

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