Driver circuits for switching transistors
US5598118A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1994 |
| Grant date | Jan 28, 1997 |
| Priority date | — |
| Expiry date | Oct 21, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K5/24
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A driver circuit (8) is arranged to switch a transistor (10) of a switched capacitor circuit, or transistors (62 and 64) of a differential switched capacitor circuit, between a first state, in which the transistor switch is closed whereby an input signal (VINP) is transferred to an output, and a second state, in which the transistor switch is open. The driver circuit includes a maximum and a minimum selection (12, 14) between the input signal and a reference voltage (VAG) , a voltage shift element (26), and switches (16, 18, 20, 22, 24), coupled to receive the input signal (VINP) and to the gate electrode of the transistor switch (10), which ensures that the gate-to-source voltage of the transistor switch (10), in the first and second states, is independent of the input signal (VINP).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.