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.
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 TECHNIQUES 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 US6194962B1 - Adaptive operational amplifier offset voltage trimming system