Decimation Filter (Accumulate-and-Dump). Howard Chen Keng-Han Chuang Ed Stricker William Tsoi Advisor: Dave Parent May 11, 2005. Abstract. The circuit adds four 8-bit words, then latches to the output the 8 most significant bits of the 10-bit result.
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Advisor: Dave Parent
May 11, 2005
In an ADC sometimes there is a need to average the output to simplify the circuitry after and lower power consumption.
A set of latches accumulates K inputs from the adder. The result of K inputs is then dumped into the output latches. At the same time the first set of latches are reset to zero to start the process over.