Consider a bipolar cascode amplifier biased at a current of 3mA. The transistors used have ß=100, r.
Consider a bipolar cascode amplifier biased at a current of 3mA. The transistors used have β=100, ro=200kΩ, Cπ=5pF, Cu=2pF. Findthe open loop voltage gain AM, and estimate the value of the 3dB frequency fH. Make sure to explain how to find gm.
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