Miscellaneous active electrical nonlinear devices – circuits – and – Gating – Utilizing three or more electrode solid-state device
Patent
1996-03-28
1997-08-26
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Gating
Utilizing three or more electrode solid-state device
327575, 327432, H03K 17615
Patent
active
056614314
ABSTRACT:
An output circuit has a bipolar transistor circuit of a 1st and a 2nd bipolar transistor connected in Darlington configuration. The base of the 1st transistor is supplied with an input signal. The collector of the 2nd transistor is connected to a power supply through a 1st diode. And, a signal is outputted from the emitter of the 2nd transistor. The output circuit also includes a 1st PMOS transistor. The source of the 1st PMOS transistor is connected to the base of the 2nd transistor, its drain being grounded, and its the backgate being connected to the power supply through the 1st diode. The output circuit may further includes a 2nd PMOS transistor having a source and a backgate both connected to the power supply, a drain connected to the base of the 2nd transistor through a second diode, and a gate supplied with an inverting signal of the input signal. The output circuit may further includes: a 2nd PMOS transistor connected between the drain of the 1st PMOS transistor and ground, having a source and a backgate both being grounded, a drain connected to the drain of the 1st PMOS transistor, and a gate supplied with the input signal; and a 3rd bipolar transistor having a base connected to the drain of the 1st PMOS transistor, a collector connected to the base of the 2nd transistor, and an emitter being grounded.
REFERENCES:
patent: 5075566 (1991-12-01), Chuang et al.
patent: 5489861 (1996-02-01), Seymour
Noine Yasukazu
Ueno Masaji
Callahan Timothy P.
Kabushiki Kaisha Toshiba
Nguyen Sanh N.
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