Analog signal characterizer for functional transformation

Details Analog signal characterizer for functional transformation Analog signal characterizer for functional transformation

1997-03-07

1999-09-28

Mai, Tan V.

Boots, shoes, and leggings

364826, G06G 719

Patent

active

059598751

ABSTRACT:
A signal characterizer for performing functional transformations such as Fast Fourier Transforms (FFTs), which converts an input serial analog signal into a plurality of parallel discrete signals using an analog-type serial-to-parallel converter. The discrete signals are then supplied to the input terminals of butterfly operation circuits to process the parallel discrete signals into a plurality of transformed signals. A switch supplies the transformed signals to a serial signal output terminal. The switch is controlled by a controller so that the input signal sequence is converted to a serial signal sequence according to a predetermined order.

REFERENCES:
patent: 4288858 (1981-09-01), Merola et al.
Shoji Kawahito, et al., "A Discrete Fourier Analyzer Based On Analog VLSI Technology", IEICE Trans. Electron., vol. E77-C, No. 7, Jul. 1994 pp. 1049-1055.

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