Method and circuit for dividing an input signal into amplitude s

Details Method and circuit for dividing an input signal into amplitude s Method and circuit for dividing an input signal into amplitude s

1994-11-21

1996-07-16

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

Exponential

327361, 348255, 348672, 348674, G06F 7556

Patent

active

055370713

ABSTRACT:
A non-linear circuit having a transfer characteristic which is adjustable per amplitude segment of an input signal (Yi) includes a segmenting circuit (11 . . . 15, 21 . . . 25) for obtaining a plurality of amplitude segment signals (Y1 . . . Y5) from the input signal (Yi), and a non-linear segment amplifier circuit (31 . . . 35) coupled to the segmenting circuit (11 . . . 15, 21 . . . 25) for separately multiplying segments (Y1 . . . Y5) of the input signal (Yi) by respective segment gain factors (HM1 . . . HM5) in dependence upon a common gain factor (HMa) derived from the segment gain factors (HM1 . . . HM5) and on the basis of the amplitude segment signals (Y1 . . . Y5) for supplying a signal (Y"s) which is adjustable per amplitude segment of the input signal (Yi). The non-linear circuit may also include an output circuit (37, 39) coupled to the non-linear segment amplifier circuit (31 . . . 35) for supplying an amplified output signal (Yhm), the amplification of which, with respect to the input signal (Yi), being adjustable per amplitude segment of the input signal (Yi).

REFERENCES:
patent: 4550340 (1985-10-01), Nicholson et al.
patent: 4553158 (1985-11-01), Acampora
patent: 4597007 (1986-06-01), Reitmeier et al.
patent: 4642676 (1987-02-01), Weinger
patent: 5023711 (1991-06-01), Erhardt
patent: 5089890 (1992-02-01), Takayama
patent: 5258928 (1993-11-01), Zdepski et al.
patent: 5294989 (1994-03-01), Moore et al.
patent: 5307166 (1994-04-01), Sadamatsu
patent: 5408267 (1995-04-01), Main

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