Amplifiers – Signal feedback – Phase shift means in loop path
Patent
1990-06-29
1991-09-03
LaRoche, Eugene R.
Amplifiers
Signal feedback
Phase shift means in loop path
330 9, 330109, 330294, 330126, 330151, H03F 3191
Patent
active
050458051
ABSTRACT:
A high precision composite amplifier for use in a data acquisition subsystem of a Computerized Tomography (CT) scanner provides enhanced high speed response in terms of reduced settling time. The speed improvement is due to a novel compensation network in which a high frequency pole and a zero in the open loop response characteristic for the composite amplifier are forced to cancel despite component and temperature variations. The resulting amplifier exhibits a simple, higher speed, single pole response. An adjustable circuit is provided for adjusting the placement of the zero to assure optimum pole/zero cancellation.
REFERENCES:
patent: 4459554 (1987-07-01), Mattisson
Active Filters With Zero Amplifier Sensitivity by Geiger et al. pp. 277-288; IEEE--1979.
Harris Semiconductor Linear Products data book, 1986, pp. 10-178.
Article in Electronics Design News entitled "Composite Amplifiers Yield High Speed and Low Offset", Jim Williams; Jan. 22, 1987; pp. 4-21 and 4-22 from a 1982 Data-Acquisition Databook from Analog Devices.
Dinh Tan
General Electric Company
LaRoche Eugene R.
LandOfFree
High precision composite amplifier with improved high speed resp does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with High precision composite amplifier with improved high speed resp, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High precision composite amplifier with improved high speed resp will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1011718