Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2005-04-26
2005-04-26
Lam, Tuan T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S544000
Reexamination Certificate
active
06885234
ABSTRACT:
A complementary source follower circuit has an N-channel type transistor and a P-channel transistor. The threshold voltage of each transistor is independently controlled by a back bias voltage control circuit so that the input voltage and the output voltage relationship can be made linear without the use of an additional circuit such as a level shifting circuit. Also, power consumption can be reduced when the circuit is in standby mode by using the back bias voltage control circuit to achieve non-linearity. A back bias voltage control circuit can also be used to control the threshold voltage of a transistor in series with a resistance load to reduce power usage.
REFERENCES:
patent: 6191615 (2001-02-01), Koga
patent: 20040070441 (2004-04-01), Bringivijayaraghavan
Fuerle Richard D.
Lam Tuan T.
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