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Design strategy for low-voltage SC circuits

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3 Author(s)
Baschirotto, A. ; Dipartimento di Elettronica, Pavia Univ. ; Castello, R. ; Montecchi, F.

Great care must be taken when using SC techniques from a low supply voltage to ensure proper switch operation. A new approach to solve this problem (called switched op amp) has been recently proposed and it is based on turning on and off the op-amps in SC circuits. In the Letter a modified version of the switched op amp approach is proposed. This results in a considerable increase of the signal swing for a given supply voltage and in a substantial reduction of the minimum supply voltage required for proper circuit operation

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Electronics Letters  (Volume:30 ,  Issue: 5 )