hw10 - (b) Find the Fourier transforms Y ( ) and X ( )....

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Assignment #10 Fri 10/14/05 1(10). Find y ( t ) for a lowpass RC filter with impulse response ) ( ) ( 2 t u e t h t - = and input ) 2 cos( 4 ) ( t = t x . 2(20). The periodic signal x ( t )=cos( π t ) is applied to a nonlinear device whose transfer characteristic is shown. x ( t )=cos( t ) y ( t ) (a) Determine the exponential Fourier series of the output y ( t ) and input x ( t ). Sketch the exponential Fourier spectra, a n , b n , of both the output y ( t ) and input x ( t ), respectively, on separate graphs.
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Unformatted text preview: (b) Find the Fourier transforms Y ( ) and X ( ). Sketch the continuous Fourier spectra of both the output y ( t ) and input x ( t ) on separate graphs. 3(30). Find the following inverse transforms of (a) ( 29 2 1 1 ) ( + = j j X (b) 2 1 ) ( 2 + + = j j X (c) j e X j + + =-1 1 ) ( 2 4(20). Text 8.36 Superheterodyne receiver. 5(20). Text 8.49 Chopper-stabilized DC amplifier. x y 1 1...
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