Amplifiers – With semiconductor amplifying device – Including differential amplifier
Patent
1990-12-05
1993-07-13
Mottola, Steven
Amplifiers
With semiconductor amplifying device
Including differential amplifier
330281, 330306, H03G 318
Patent
active
052277372
ABSTRACT:
An amplifier is compensated for variations in element values. A trim signal is generated based on element values of filter elements of a filter in the amplifier. An RC product in the amplifier is controlled based on the trim signal. The RC product corresponds to a product of a dynamic resistance value of a dynamic resistance element in the filter in the amplifier, and a capacitance value of capacitive elements in the filter. The RC product also determines a pole position of the amplifier. Gain in the amplifier is controlled based on the trim signal so that a desired gain is maintained.
REFERENCES:
patent: 3838210 (1974-09-01), Peil
patent: 4586155 (1986-04-01), Gilbert
patent: 4691120 (1987-09-01), Kondo
patent: 4694204 (1987-09-01), Nishijima et al.
patent: 4713628 (1987-12-01), Nelson
patent: 4748422 (1988-05-01), Matsumoto et al.
patent: 4881043 (1989-11-01), Jason
patent: 4888502 (1989-12-01), Jarrett
patent: 5157559 (1992-10-01), Gleason et al.
Gleason Jeffrey A.
Sutliff David E.
Mottola Steven
VTC Inc.
LandOfFree
Method and apparatus for adjusting the pole positions of a diffe does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for adjusting the pole positions of a diffe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for adjusting the pole positions of a diffe will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2314977