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Question: sir , i want to ask that: how a transistor can work as a multiplier for two signals, we use this technique in amplitude modulation in communication system.
By: MADHUSUDAN VERMA     Date: 2014-01-29

Answer: transistor transcoductance depends on its operating current. By changing the current in proportion to another signal one can design a multiplier using FET or BJT

By: Prof. K. Radhakrishna Rao     Email: madhusudan470@gmail.com     Date: 2014-11-12
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