vp1953
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Hi Vivek,
Thank you for the explanation. Now if we assume the load at this stage is a parallel resistor - capacitor. The negative resistance introduced by the bipolar pair is in shunt with the load resistor increasing the effective resistance. The low frequency gain has increased but the pole at the frequency has also become lower, both by the same amount. Thus, the gain bandwidth is nearly constant.
Could you explain how the gain bandwidth has increased or maybe one of my assumptions above is incorrect?
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