Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Patent
1994-10-27
2000-05-02
Wells, Kenneth B.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By amplitude
327 63, H03K 522
Patent
active
060577126
ABSTRACT:
An integrated comparator includes an inverter with a first depletion FET and a first enhancement FET, and a series circuit with a second depletion FET and a second enhancement FET. The second depletion and enhancement FETs are connected in series between a first supply voltage terminal and a first input terminal. A node between the second enhancement and depletion FETs is connected to the gate terminal of the first enhancement FET. The transfer characteristic curve of the second enhancement FET is steeper than the transfer characteristic curve of the first enhancement FET. All of the MOSFETs are of the same channel type. The voltage to be compared is connected between the second enhancement FET and ground. The switching point is determined by the transfer characteristics of the two enhancement FETs.
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Gantioler Josef-Matthias
Heil Holger
Sander Rainald
Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
Stemer Werner H.
Wells Kenneth B.
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