TY - JOUR AU - Moallem, P. AU - Shiri Sichani, A. TI - Design and Simulation of a Two Stages OPAMP Using Positive Feedback for Achieving to a High Unity Gain Bandwidth and a High DC Gain JO - Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran VL - 6 IS - 2 SP - 172 EP - 178 PY - 2008 DO - ER -