Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Current driver
Patent
1994-01-24
1996-04-02
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Current driver
327379, 327387, 327545, 327563, 323315, 330288, H03F 316, H03F 345
Patent
active
055044441
ABSTRACT:
Novel high voltage amplifiers that are capable of being monolithically integrated using low voltage semiconductor fabrication processes are described and claimed. A cascade of low voltage current mirrors is described that can act as a high voltage amplifier output circuit. A high voltage current source circuit also is described and is constructed from the series combination of a low voltage transistor and a parasitic field oxide transistor. Additionally, a differential amplifier having bias current shunting transistors is described that can be used to limit quiescent current from the power supply of the high voltage amplifiers.
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Arithmos, Inc.
Callahan Timothy P.
Shin Eunja
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