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TV Channel Filters

The SYM5 series are triple notch filters designed to effectively attenuate a range of frequencies - typically a 6MHz wide TV channel, but not restricted to 6MHz or televeision channels. Example CH filters are shown. The graph has markers set at the low, mid, and high frequencies of the U.S. CH10 television channel for example. Similar filters can be designed for say, attenuating the amateur 2M band (144-148 MHz). Passband is DC to 1GHz for all channels except CH2-5, where the passband is to 500MHz.


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