Dynamic analysis tool for three-stage analog amplifiers

摘要

This paper presents a new tool titled "Param2bode" for dynamic performance analysis of compensated three-stage amplifiers. It adjusts the parameters while observing the effects on dynamic performance in real time. Param2bode is based on equations generated automatically using techniques from symbolic analysis. We will give details concerning the followed steps of configuration and use of the tool. The operation and the feasibility of the tool have been shown by simulation tests and by tests performed by a Microelectronics company. It is also worth mentioning that this tool is extensible and applicable to any type of block diagrams of amplifier circuit. In its current state, Param2bode covers the analysis of the block diagrams of compensated three-stage amplifier using many types of techniques such as: NMC (Nested Miller Compensation) RNMC (Reversed Nested Miller Compensation) RAFFC (Reversed Active Feedback Frequency Compensation) and TCFC (Transconductance with Capacitances Feedback Compensation).