A periodic signal given by vs (t) = 10 V for o < t <1 and 0 V for 1 < t < 2 is...

A periodic signal given by vs (t) = 10 V for o < t <1 and 0 V for 1 < t < 2 is applied to the highpass filter in Fig. 17.87. Determine the value of R such that the output signal vo (t) has an average power of at least 70 percent of the average power of the input signal.