Shaped digital noise signal generator and method

Details Shaped digital noise signal generator and method Shaped digital noise signal generator and method

1994-03-30

1997-01-07

MacDonald, Allen R.

Boots, shoes, and leggings

395 235, 3647175, G10L 502, G10L 900

Patent

active

055925871

ABSTRACT:
A circuit for generating a digital noise signal characterized by an evenly distributed frequency content for a particular frequency bandwidth of the digital noise signal includes a word signal generator for generating a random sequence of N-bit digital word signals with each cycle of a system clock signal provided to the word signal generator, where N is a non-zero integer. The noise generating circuit further includes a shaping circuit which transforms the random sequence into a shaped sequence of N-bit digital word signals, and a frequency synthesizer which is responsive to the shaped sequence and which generates the digital noise signal.

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patent: 4697157 (1987-09-01), Buddecke et al.
patent: 4855944 (1989-08-01), Hart
R. E. Ziemer et al., "Introduction to Digital Communications", Macmillian, 1992, pp. 118-124.

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