Small-Signal Amplifier: This type of amplifier is used at the front end of receivers because the signal coming in is very weak. (The peak-to-peak emitter current is less than 10 percent of the dc emitter current.) 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 PostSlew Rate Next PostSmall-Signal Operation