H03H 17/00 - Ñõåìû ñ èñïîëüçîâàíèåì öèôðîâîé òåõíèêè [3]
17/02
.
÷àñòîòíîèçáèðàòåëüíûå ñõåìû [3]
17/04
.
.
ðåêóðñèâíûå ôèëüòðû [3]
17/06
.
.
íåðåêóðñèâíûå ôèëüòðû [3]
17/08
.
ôàçîâðàùàþùèå ñõåìû [3]