Electronic circuits including a MOSFET and a dual-gate JFET

Details Electronic circuits including a MOSFET and a dual-gate JFET Electronic circuits including a MOSFET and a dual-gate JFET

2011-06-28

2011-06-28

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including field effect transistor

Reexamination Certificate

active

07969243

ABSTRACT:
Electronic circuits and methods are provided for various applications including signal amplification. An exemplary electronic circuit comprises a MOSFET and a dual-gate JFET in a cascode configuration. The dual-gate JFET includes top and bottom gates disposed above and below the channel. The top gate of the JFET is controlled by a signal that is dependent upon the signal controlling the gate of the MOSFET. The control of the bottom gate of the JFET can be dependent or independent of the control of the top gate. The MOSFET and JFET can be implemented as separate components on the same substrate with different dimensions such as gate widths.

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