Dwayne Reid wrote:
> My IIR filter is used to reduce the ripple as measured from a line
> voltage sampling network.  Basically, that is a half-wave rectified
> sine wave fed into a RC network, then into the PIC.
>
> He had asked for advice on measuring a line voltage, I had replied
> with a description of my most recent version which is a combination
> of hardware and a software filter, he then asked for a copy of my IIR
> filter.

So then how did the transformer get wired up in such a inconvenient way?
Which rocket scientist suggested clipping half the signal?


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