Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Having specific delay in producing output waveform
Reexamination Certificate
2005-10-25
2005-10-25
Nguyen, Linh My (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Having specific delay in producing output waveform
C327S262000
Reexamination Certificate
active
06958641
ABSTRACT:
A delay circuit, e.g., for a semiconductor device, having a plurality of cascade-connected stages that successively delay an input signal, may include: plural cascaded-connected delay devices representing instances of a first type of delay unit corresponding to the stages, respectively; plural resistance units coupled between a node having a source voltage of varying magnitude Vvar and odd-numbered ones of the delay devices, respectively; and plural capacitance units coupled between a node having another voltage Vuni of substantially uniform magnitude relative to Vvar and nodes representing the outputs of the odd-numbered delay devices; where corresponding ones of the plurality of capacitor units and the plurality of resistance units represent instances, respectively, of a second type of delay unit.
REFERENCES:
patent: 6147536 (2000-11-01), Jeong
patent: 6323712 (2001-11-01), Shih
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