Wien bridge‐based calibration circuit for CDR applications | Zendy

Tavernier F. | Zendy; Moreira P. | Zendy; Poltorak K. | Zendy

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Wien bridge‐based calibration circuit for CDR applications

Author(s) -

Tavernier F.,

Moreira P.,

Poltorak K.

Publication year - 2013

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2013.1925

Subject(s) - calibration , bridge (graph theory) , electronic engineering , computer science , electrical engineering , engineering , physics , medicine , quantum mechanics

A robust and fully integrated solution to calibrate the voltage controlled oscillator frequency to the data rate frequency in a clock and data recovery is described. As such, no external reference frequency or a separate reference phase‐locked loop is required. The proposed calibration circuit has been designed in a 130 nm CMOS technology. It shows a very low temperature dependency below 100 ppm °C −1 .

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