Instrumentation Amplifier: This is a differential amplifier with high input impedance and high CMRR. You find this type of amplifier as the input stage of measuring instruments like oscilloscopes. Related posts: Personnel Management Operative Functions Administrative Role of PM Competency HR Management Role Change Personnel Policies Personnel Procedures Appealed Policies Implied Policies Specific Policies Personnel records Research Pure research Personnel research Attitude or Opinion Survey Turnover Secondary research Applied research Personnel audit Read more articles Previous PostInput Offset Voltage Next PostInsulated-Gate FET (IGFET)