Differential Input 2 Stage Amplifier Good points Q 1 and Q 2 form a standard differential amplifier R C1 forms the collector resistor for Q 2 and provides base bias current for Q 3 Q 3 forms a common- emitter amplifier Bad point v OUT cant go below 0V BAD DESIGN.
{"Image DocumentName": "Differential Input 2 Stage Amplifier", "Image ImageDescription": "BAD DESIGN! Good points. Q1 and Q2 form a standard differential amplifier. RC1 forms the collector resistor for Q2 and provides base bias current for Q3. Q3 forms a common-emitter amplifier. Bad point. vOUT can\u2019t go below 0V. IB3.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}