H03F3/45744- Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by offset reduction.H03F3/45708- Controlling the common source circuit of the differential amplifier.H03F3/45699- Measuring at the input circuit of the differential amplifier.H03F3/45695- Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit by using feedforward means.H03F3/45632- Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection in differential amplifiers with FET transistors as the active amplifying circuit.H03F3/45479- Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection.H03F3/4521- Complementary long tailed pairs having parallel inputs and being supplied in parallel.H03F3/45179- Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit.H03F3/45076- Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier.H03F3/45071- Differential amplifiers with semiconductor devices only.H03F3/00- Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements.229910021420 polycrystalline silicon Inorganic materials 0.000 description 1.238000006243 chemical reactions Methods 0.000 description 1.230000000295 complement Effects 0.000 claims abstract description 18.238000009966 trimming Methods 0.000 title claims abstract description 28.230000003044 adaptive Effects 0.000 title claims abstract description 48.Application granted granted Critical Publication of US6194962B1 publication Critical patent/US6194962B1/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Analog Devices Inc filed Critical Analog Devices Inc Priority to US09/291,233 priority Critical patent/US6194962B1/en Assigned to ANALOG DEVICES, INC.
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Original Assignee Analog Devices Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
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Chen Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US09/291,233 Inventor Marcellus R.
#Op amp offset trimming pdf#
Google Patents Adaptive operational amplifier offset voltage trimming systemÄownload PDF Info Publication number US6194962B1 US6194962B1 US09/291,233 US29123399A US6194962B1 US 6194962 B1 US6194962 B1 US 6194962B1 US 29123399 A US29123399 A US 29123399A US 6194962 B1 US6194962 B1 US 6194962B1 Authority US United States Prior art keywords trim current input circuit pair Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US6194962B1 - Adaptive operational amplifier offset voltage trimming system
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US6194962B1 - Adaptive operational amplifier offset voltage trimming system