Oscillators – Ring oscillators
Patent
1998-08-26
2000-02-15
Mis, David
Oscillators
Ring oscillators
331 46, 331 55, 331172, 331177R, 331175, H03B 504, H03B 524
Patent
active
060257563
ABSTRACT:
An oscillation circuit that improves the duty controllability by cross-coupling ring oscillators that are comprised of current inverters. The sources of current supply circuits 4a-4c and 6a-6c are connected to a power supply and their drains are connected to terminals A in corresponding current inverters, respectively. Each of the gates of those current supply circuits receives an output of a current inverter corresponding, one to one, to a current inverter to which the current supply circuit is connected.
REFERENCES:
patent: 5357217 (1994-10-01), Marchesi et al.
Mis David
Nippon Precision Circuits Inc.
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