Phase delay line

Details Phase delay line Phase delay line

2009-07-10

2011-11-29

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

Reexamination Certificate

active

08067967

ABSTRACT:
A phase delay line comprises a phase-locked loop, a duty-cycle adjusting ring and a voltage-sharing to time-sharing converter, wherein the phase-locked loop and the duty-cycle adjusting ring form a loop, and one output of the phase-locked loop is connected with the input of the voltage-sharing to time-sharing converter. The voltage can be precisely divided, and the number of the phases can be easily controlled and expanded. The band gap reference technology enables the working points not affected by the temperature. The negative feedback mechanism of the phase-locked loop determines the period, phase, duty-cycle of the sawtooth wave are same with the reference clock. The ascending and descending time of the sawtooth wave are precisely equal.

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patent: 2007/0229126 (2007-10-01), Nam
patent: 2010/0231272 (2010-09-01), Chen et al.

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