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I think you are confusing "Switched Capacitor Filters" with "Analog FIR Filters".
While Analog FIR Filters do exist, they are a completely different beast to the Switched Capacitor Filters as manufactured by Linear Technology and Maxim .
Switched Capacitor Filters are NOT FIR Filters.
FIR is no longer mentioned in the article. ~Kvng (talk) 16:35, 11 September 2020 (UTC)[reply]
