Circuit arrangement for processing analogue electrical signals

Details Circuit arrangement for processing analogue electrical signals Circuit arrangement for processing analogue electrical signals

1989-11-22

1991-07-02

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

323311, 323312, 323315, 323316, 323317, 307353, G05F 324

Patent

active

050288229

ABSTRACT:
A circuit arrangement for processing sampled analogue electrical signals comprises means for combining (9) in predetermined proportions on input sample current in the present sample period with current(s) derived from input sample current(s) in one or more preceding sample periods and means for deriving the processed output signal as or from the combined current produced by the combining means in successive sample periods. The circuit arrangement further comprises means for scaling a current which comprises a first branch (T1) for receiving a current to be scaled, second and third branches (T2,T3) for producing first and second sub-output currents which are proportional to the received current, means for forming the difference (2) between the first and second sub-output currents, and means for feeding the difference current to the output (3) of the current scaling means.

REFERENCES:
patent: 4864217 (1989-09-01), Bird
patent: 4866368 (1989-09-01), Bird
patent: 4897596 (1990-01-01), Hughes et al.

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