A rectifying circuit comprising first and second current doublers is disclosed. In some embodiments, the first and second current doublers are connected in series. In other embodiments, the current doublers are connected in parallel. In phase pairs of inductors can share a common core to reduce parts...http://www.google.se/patents/US5933338?utm_source=gb-gplus-sharePatent US5933338 - Dual coupled current doubler rectification circuit
