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Unformatted text preview: the is where W f W f B v v T + = VSB The key to the filter design is that the transmitted vestige must compensate for the distortion caused to the desired sideband. This is maintained by the following filter requirement: W f W f f H f f H c i c i = + + + , 1 ) ( ) ( 2/16/2010 2 VSB Modulation and Demodulation VSB Shaping Filter VSB Shaping Filter There are two properties of the shaping filter: The transfer function of the shaping filter exhibits odd symmetry about the carrier frequency f c. The transfer function is required to satisfy the condition only for the frequency interval W f W An Example Figure 4.22 VSB modulator and receiver filters....
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