Memory address generator for an FFT

Details Memory address generator for an FFT Memory address generator for an FFT

1997-03-24

2000-03-07

Ngo, Chuong Dinh

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

G06F 1500

Patent

active

060353139

ABSTRACT:
A fast Fourier transformer (160) includes an FFT engine (162) having a twiddle index input and a memory bus coupled to a data input (167), a memory (164) coupled to the memory bus, an address generator (163) coupled to the memory (164), a twiddle index generator (150) including an output coupled to the twiddle index input, a counter (161) having an output coupled to inputs of the twiddle index generator (150) and the address generator (163) and a data output (168) coupled to the FFT engine (162) and to the memory (164).

REFERENCES:
patent: 4547862 (1985-10-01), McIver et al.
patent: 5163017 (1992-11-01), Wong et al.
patent: 5365469 (1994-11-01), Mercy

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