Gate EC-2004 Question Paper With Solutions

Q. 76 A 100 MHz carrier of 1 V amplitude and a 1 MHz modulating signal of 1 V amplitude are fed to a balanced modulator. The ourput of the modulator is passed through an ideal high-pass filter with cut-off frequency of 100 MHz. The output of the filter is added with 100 MHz signal of 1 V amplitude and 90c phase shift as shown in the figure. The envelope of the resultant signal is

Gate EC-2004 Question Paper With Solutions

Answer:   (C)

Explanation:

Gate EC-2004 Question Paper With Solutions Gate EC-2004 Question Paper With Solutions

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