Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Having specific delay in producing output waveform
Patent
1998-02-25
1999-12-21
Tran, Toan
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Having specific delay in producing output waveform
327284, H03H 1126
Patent
active
060054301
ABSTRACT:
A clock circuit including a first delay circuit comprising an input terminal and a series of logic circuits, each of the logic circuits including an output terminal and first and second input terminals. The input terminal is coupled to the first input terminal of a first logic circuit in the series and the output of the first logic circuit is coupled to the second input terminal of a second logic circuit in the series. The output of the second logic circuit is coupled to the first input terminal of a third logic circuit in the series, and subsequent logic circuits in the series have alternately the first or second input terminal coupled to the output terminal of an immediately preceding logic circuit in the series. The circuit also includes a second delay circuit comprising an output terminal and a series of logic circuits, each of the logic circuits including an output terminal and first and second input terminals. The output terminal of the first logic circuit in the series is coupled to the second input terminal of a second logic circuit in the series. The output of the second logic circuit is coupled to the first input terminal of a third logic circuit in the series. Subsequent logic circuits in the series have alternately the first or second input terminal coupled to the output terminal of an immediately preceding logic circuit in the series. The circuit also includes a control circuit coupling the output terminals of the series logic circuits in the first delay circuit to corresponding input terminals of the series logic circuits in the second delay circuit.
REFERENCES:
patent: 5394024 (1995-02-01), Buckenmaier et al.
patent: 5467464 (1995-11-01), Oprescu et al.
patent: 5767720 (1998-06-01), Osera et al.
Brown Brian L.
Brown David R.
Donaldson Richard L.
Neerings Ronald O.
Skrehot Michael K.
Texas Instruments Incorporated
Tra Anh-Quan
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