8.52 A CG amplifier operating with gm = 2 mA/V and ro = 20 k is fed with a signal source having a Norton equivalent composed of a current signal isig and a source resistance R s = 20 k. The amplifier is loaded in a resistance R L = 20 k. Find Rin and io/isig, where io is the current through the load RL. If RL increases by a factor of 10, by what percentage does the current gain change? Can you see the effectiveness of the CG as a current buffer?

8.52 - 8.52 A CG amplifier operating with gm = 2 mA/V and ro = 20 k is fed with a signal source having a Norton equivalent composed of a current signal isig and a source resistance R s = 20 k. The amplifier is loaded in a resistance R L = 20 k. Find Rin and io/isig, where io is the current through the load RL. If RL increases by a factor of 10, by what percentage does the current gain change? Can you see the effectiveness of the CG as a current buffer?

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images - 8.52 A CG amplifier operating with gm = 2 mA/V and ro = 20 k is fed with a signal source having a Norton equivalent composed of a current signal isig and a source resistance R s = 20 k. The amplifier is loaded in a resistance R L = 20 k. Find Rin and io/isig, where io is the current through the load RL. If RL increases by a factor of 10, by what percentage does the current gain change? Can you see the effectiveness of the CG as a current buffer?

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