Miscellaneous active electrical nonlinear devices – circuits – and – Specific input to output function – By integrating
Patent
1994-10-26
1995-11-14
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific input to output function
By integrating
327341, 327345, G06G 764
Patent
active
054670454
ABSTRACT:
A complete type integrator is disclosed which is designed such that the time-constant thereof can be controlled; wide input and output dynamic ranges can be achieved; operation with low power supply voltage is possible; and no offset voltage is generated. More specifically, the integrator comprises an amplifier circuit having a combination of a first and a second differential amplifier circuit (A1, A2) and connected to the input side of an integrator circuit; and an offset eliminating circuit connected to that portion of the amplifier circuit where the input signal (9) is applied. The offset eliminating circuit comprises a combination of a first, a second and a third current-mirror circuit (B1, B2, B3).
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Callahan Timothy P.
Toko Inc.
Wells Kenneth B.
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