calculating a transformer help needed i want to convert a volt sinewave with frequency between khz and khz to a volt sinewave with the same frequency by means of a transformer the secondary current will be a ma what kind of transformer should i use ferrite can i buy one if so i need a partnumber and supplier if i cannot buy one how do i go about winding one myself what core do i use how big must it be in order not to saturate what thickness copper wire how many turns etc i know little about analog electronics so i hope some kind soul here will help me out pointers to relevant databooks will also be highly appreciated thanks mark de rooi rooi tpd tno nl
