Current-controlled CMOS (C3MOS) fully differential...

Details Current-controlled CMOS (C3MOS) fully differential... Current-controlled CMOS (C3MOS) fully differential...

2005-12-28

2009-10-06

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

C327S274000, C327S280000, C327S287000

Reexamination Certificate

active

07598788

ABSTRACT:
Current-controlled CMOS (C3MOS) fully differential integrated delay cell with variable delay and high bandwidth. A novel implementation includes a wideband differential transistor pair and a cross-coupled differential transistor pair. The wideband differential transistor pair can be implemented with appropriate input and output impedances to extend its bandwidth for use in broadband applications. These two stages, (1) buffer stage (or data amplifier stage) and (2) cross-coupled differential pair stage, are both very fast operating stages. This design does not incur any increased loading to previous or subsequent stages in a device. In addition, there is no increase in the total amount of current that is required.

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