Published:2009/6/30 2:03:00 Author:May | From:SeekIC
Combination of 555 timer andtwo NE550A Precision adjustable regulators gives 0.1% line and load regulation,Timer operates as osdllator driving step-up transformer which feeds full-wave rectffier.— Signetics Analog Data Manual, signetics,Sunnyvale,CA,1977,p 726-727.
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