1. A CIC filter consists of one or more integrator and comb filter pairs. 2. Hence the magnitude response of the comb filter is periodic. 3. The TV uses a three-dimensional comb filter to improve color separation and remove picture artifacts. 4. Comb filters are also commonly used to separate signals, and eliminate artifacts, from composite sources.5. While good comb filters can do so adequately, these two signals cannot be completely separated. 6. By the 1970s, TVs had begun using solid-state electronics and the first comb filters appeared. 7. Faroudja s adaptive comb filter technology was recognized with a Technology & Engineering Emmy Award in 1991. 8. However, the vacuum tube-based electronics of the time did not permit any cost-effective method of implementing a comb filter . 9. Three-line digital comb filter , anyone? 10. By the 1990s, a further development took place with the advent of three-line digital ( " 3D " ) comb filters .
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