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Q. |
We cannot use h-parameter model in high frequency analysis because |
A. | they all can be ignored for high frequencies |
B. | junction capacitances are not included in it |
C. | junction capacitances have to be included in it |
D. | ac analysis is difficult for high frequency using it |
Answer» B. junction capacitances are not included in it | |
Explanation: the effect of smaller capacitors is considerable in high frequency analysis of analog circuits, and hence they cannot be ignored as. instead of h-parameter model, we use π-model. |
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