Abstract
In Chap. 5, ultralow-voltage VCOs operating near or even lower than the transistor threshold voltage while still achieving low phase-noise performance were demonstrated by employing the transformer-feedback technique. In order to realize ultralow-voltage frequency synthesizers with high performance, the next obstacle to be conquered is the design of frequency dividers capable of operating at ultralow supply voltages, especially the first frequency divider (prescaler) following the VCO, which has the input frequency as high as the output frequency of the VCO.
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Luong, H.C., Yin, J. (2016). Transformer-Based Injection-Locked Frequency Divider. In: Transformer-Based Design Techniques for Oscillators and Frequency Dividers. Springer, Cham. https://doi.org/10.1007/978-3-319-15874-7_8
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DOI: https://doi.org/10.1007/978-3-319-15874-7_8
Publisher Name: Springer, Cham
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