System and method for a semiconductor switch

Details System and method for a semiconductor switch System and method for a semiconductor switch

2011-08-23

2011-08-23

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C327S365000, C326S062000, C326S081000

Reexamination Certificate

active

08004340

ABSTRACT:
In one embodiment, a semiconductor circuit for coupling a first node to a second node includes a first transistor having a first terminal coupled to the first node, a second terminal coupled to the second node, and a control terminal coupled to a control node. The circuit also includes a level shifting circuit having a series diode for coupling a bulk terminal of the first transistor to the control node, and a supply coupling circuit coupled between a first power supply node and the control node.

REFERENCES:
patent: 6154085 (2000-11-01), Ramakrishnan
patent: 6671147 (2003-12-01), Ker et al.
patent: 6958519 (2005-10-01), Gonzalez et al.
patent: 7586155 (2009-09-01), Kapoor
“USB 2.0 High-Speed and Audio Switches with Negative Signal Capability,” Datasheet, Max14508E-Max14511E/Max14509AE, Rev. Mar. 2008, pp. 1-14, Maxim, Sunnyvale, Ca.

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