Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Amplitude control
Patent
1996-11-15
2000-02-22
Lam, Tuan T.
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Amplitude control
326 62, 326 80, H03K 190185
Patent
active
060284684
ABSTRACT:
A level shift circuit for a voltage input signal (S, SN) presenting at least a first and a second high-voltage levels, the circuit comprising two parallel branches, each formed by a current modulator and a signal converter. The current modulators are supplied with two signals in phase opposition to each other, and generate current signals whose value depends on the level of the respective input signal; and the signal converters convert the current signals into ground-related voltage signals. The signal converters together form a single-ended differential circuit, the output of which therefore presents a low-voltage digital signal which can be processed by normal digital circuits and is unaffected by noise or variations in supply voltage.
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Menniti Pietro
Novelli Aldo
Galanthay Theodore E.
Lam Tuan T.
STMicroelectronics S.r. l.
Tarleton E. Russell
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