Hopefully? Another 48vdc-240vac Toriod Inverter build.

Author	Message
analog8484 Senior Member Joined: 11/11/2021 Location: United States Posts: 135	Posted: 04:29pm 28 May 2023         KeepIS said   After splitting the 37uH choke into two x 23 uH chokes, it was almost silent again, just needed two RF toriods rings over the AC feeds from the transformer to remove one or two slight birdies on the band. . Interesting that the combined chokes (2x23uH) is back close to the often recommended 47uH value.  I wonder if there is a calculation somewhere showing how the 47uH value was determined.