Source follower and electronic system utilizing the same

Details Source follower and electronic system utilizing the same Source follower and electronic system utilizing the same

2008-05-27

2008-05-27

Richards, N. Drew (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C345S204000

Reexamination Certificate

active

11619220

ABSTRACT:
A source follower is disclosed. A driving transistor comprises a first gate receiving an input signal. An active load is connected to the driving transistor in series between a first voltage source and a second voltage source and coupled to the driving transistor at a first point. A first switch is coupled between the first voltage source and the first gate. A first capacitor is coupled to a second switch at a second point. A third switch is connected to the first capacitor at a third point and connected to the second switch and the first capacitor in series between the first gate and the second voltage source. A fourth switch is coupled between the third point and the first point. A fifth switch is coupled between the first point and a fourth point.

REFERENCES:
patent: 6876235 (2005-04-01), Li et al.
patent: 7221194 (2007-05-01), Lin et al.
patent: 2007/0040591 (2007-02-01), Yu et al.

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