Oscillators – Ring oscillators
Patent
1998-10-08
2000-11-28
Pascal, Robert
Oscillators
Ring oscillators
327182, 327183, 327276, 327278, 327271, 327262, H03B 100
Patent
active
061540994
ABSTRACT:
A ring oscillator is formed by connecting three or more odd gate circuits in a ring. Each gate circuit includes a precharge dynamic gate. An output signal from the precharge dynamic gate of one gate circuit is used to precharge the precharge dynamic gates of all the remaining gate circuits. In measuring the gate delay time of the ring oscillator formed by connecting, in a ring, three or more odd gate circuits each including a precharge dynamic gate, the oscillation frequency of the ring oscillator is measured, and the reciprocal of the oscillation frequency is divided by the number of gate circuits constituting the ring oscillator.
REFERENCES:
patent: 5434525 (1995-07-01), Leonowich
Nonaka Satoshi
Suzuki Shingo
Glenn Kimberly
Kabushiki Kaisha Toshiba
Pascal Robert
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