Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Amplitude control
Patent
1993-04-22
1995-01-03
Wambach, Margaret Rose
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Amplitude control
326 68, 327389, 327391, 327 63, H03K 1760
Patent
active
053789326
ABSTRACT:
A level shifting circuit according to the present invention has first and second voltage terminals, first and second input terminals, an output terminal, a level converter circuit and an output circuit. The level converter includes first, second and third nodes, first, second, third and fourth transistors and an resistive element. The first transistor has a first electrode connected to the first voltage terminal, a second electrode connected to the first node and a control electrode connected to the first input terminal. The second transistor has a first electrode connected to the first voltage terminal, a second electrode connected to the second node and a control electrode connected to the second input terminal. The third transistor has a first electrode connected to the second voltage level, a second electrode connected to the first node and a control electrode connected to the second node. The resistive element connected between the second and third nodes. The fourth transistor has a first electrode connected to the second voltage level, a second electrode connected to the third node and a control electrode connected to the first node. The output circuit includes fifth and sixth transistors. The fifth transistor has a first electrode connected to the first voltage terminal, a second electrode connected to the output terminal and a control electrode connected to the second node. The sixth transistor has a first electrode connected to the second voltage terminal, a second electrode connected to the output terminal an a control electrode connected to the third node.
REFERENCES:
patent: 4996443 (1991-02-01), Tateno
patent: 5128556 (1992-07-01), Hirakata
patent: 5179292 (1993-01-01), Lee
Kimura Tatsuya
Shin Yasuhiro
Oki Electric Industry Co. Ltd.
Wambach Margaret Rose
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