High-pass filter of the first order and application thereof...

Details High-pass filter of the first order and application thereof... High-pass filter of the first order and application thereof...

H - Electricity

03

H

333/53

H03H 19/00 (2006.01)

Patent

CA 1199691

ABSTRACT OF THE DISCLOSURE The invention provides a high-pass filter of the first order, sampled and without offset. It is constructed according to the diagram of the accompanying figure with two operational amplifiers, four capacitors and eight switches actuated at each period in two separate phases a and b. In a particularly interesting application, this filter without offset is placed just upstream of an analog-digital converter sampled at the same frequency as the filter and the second amplifier serves as a comparator for conversion outside the phases a and b (aplication to digital telephone transmission).

419420

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