Conditioning and Correction of Arbitrary Waveforms—Part 2: Other Impairments

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  • Author: Mike Griffin and John Hansen
For wideband digital communications systems, group delay is becoming an increasingly impor-tant phenomenon. Group delay is a measure of sig-nal transmit time versus frequency as is illustrat-ed in Figure 19. This transmit time varies for different frequency components that comprise a signal due to frequency selective compo-nents and devices, such as capacitors, filters, amplifiers, and on a system level, the entire signal path.