Negative delay circuit operable in wide band frequency

Details Negative delay circuit operable in wide band frequency Negative delay circuit operable in wide band frequency

1998-10-23

2000-11-28

Lam, Tuan T.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

327277, H03K 514

Patent

active

06154079&

ABSTRACT:
A negative delay circuit (NDC) has an NDC array operated in a high frequency. The circuit varies a number of unit delay stages at an input stage of the NDC array according to a locking fail signal in a low frequency region. The NDC can carry out a negative delay operation in a wide band even when a number of the stages in the NDC array is small. The present invention decreases a size of a chip, and in addition, reduces an unnecessary current consumption by preventing a locking from re-occurring at a stage in a back portion because the NDC array has a delay value less than one clock.

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