Title:
DC BIAS EVALUATION IN AN AC COUPLED CIRCUIT VIA TRANSIENT GAIN RESPONSE
Document Type and Number:
WIPO Patent Application WO/2011/127348
Kind Code:
A3
Abstract:
A method and system are provided for the monitoring of direct current bias, the system including switching an amplifier of known scale factor from low to high; monitoring a step change in bias generated by the gain change; measuring, the response to the bias change via appropriate peak detection logic; and determining the amount of bias present at an input based on AC response and the amplifier scale factor.
Inventors:
SEARS WALTER J (US)
JOHNSON AARON B (US)
JOHNSON AARON B (US)
Application Number:
PCT/US2011/031687
Publication Date:
January 26, 2012
Filing Date:
April 08, 2011
Export Citation:
Assignee:
BAE SYS INF & ELECT SYS INTEG (US)
SEARS WALTER J (US)
JOHNSON AARON B (US)
SEARS WALTER J (US)
JOHNSON AARON B (US)
International Classes:
G05F1/12; G05F1/10
Foreign References:
| US20090243729A1 | 2009-10-01 | |||
| US20030072073A1 | 2003-04-17 | |||
| US20090236502A1 | 2009-09-24 | |||
| US20060016894A1 | 2006-01-26 |
Attorney, Agent or Firm:
CERNOTA, Andrew, P. et al. (65 Spit Brook RoadP.O. Box 868, NHQ1-71, Nashua NH, US)
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