Systems and methods to overcome DC offsets in amplifiers...

Oscillators – Electromechanical resonator – Crystal

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C331S154000, C331S183000, C331S185000, C310S318000, C310S319000

Reexamination Certificate

active

07859352

ABSTRACT:
Systems and methods for insuring successful initiation of a resonating micro-electro mechanical systems (MEMS). An example system includes a resonating sensor, a drive device, a charge amplifier, and a voltage gain circuit. At start up, the charge amplifier and voltage gain circuit receives signals from the resonating sensor, compensates this signal for DC offsets, and generates a clock signal for the drive, thus placing the resonating sensor in a steady state operating mode. The circuit includes a plurality of gain switches that are toggled to produce a glitch in the signal associated with the received signal. The glitch overcomes the DC offset. A comparator generates the clock signal for the drive device if a signal associated with the received signal exceeds a reference signal.

REFERENCES:
patent: 5481914 (1996-01-01), Ward
patent: 6515751 (2003-02-01), Craighead et al.
patent: 2006/0033588 (2006-02-01), Caminada et al.
patent: 2008/0105054 (2008-05-01), Kanai et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Systems and methods to overcome DC offsets in amplifiers... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Systems and methods to overcome DC offsets in amplifiers..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Systems and methods to overcome DC offsets in amplifiers... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4228448

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.