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Bipolar transistor is more useful amplifying device than FET at frequencies _____________

Bipolar transistor is more useful amplifying device than FET at frequencies _____________ Correct Answer Above 25 MHz

In FETs, the current gain drops to values near unity at frequencies above 25MHz. The trans-conductance is fixed with decreasing input impedance. Therefore, bipolar transistor is more useful amplifying device at frequencies above 25MHz.

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