Oscillators – Ring oscillators
Patent
1997-09-10
1999-12-21
Mis, David
Oscillators
Ring oscillators
331 34, 331177R, 327280, H03B 524
Patent
active
060054484
ABSTRACT:
A ring oscillator comprises a ring of delay stages in which the output of each stage is input to the next stage in the ring. Tuning of the oscillation frequency of the oscillator is achieved by additionally taking outputs from delay stages elsewhere in the ring as one or two secondary inputs to each delay stage and mixing this or these in variable proportions with the primary input.
REFERENCES:
patent: 5475344 (1995-12-01), Maneatis et al.
patent: 5841325 (1998-11-01), Knotts et al.
Pickering Andrew James
Wood Ian Charles
Mis David
Phoenix Vlsi Consultants, Ltd.
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