These circuits were found in the February 1995 issue of Electronics Now magazine. The circuits have normal response in (a), boost in (b), cut in (c), and plate response in (d).
June 2017 - Vishay Siliconix's new Generation IV (Gen IV) Channel N MOSFETs can now be purchased...
This an old commercial receiver found in a year 1958 magazine. The circuit uses some transformer...
September 2016 - Mouser Electronics already has in stock the new TPS63070 Buck-Boost converter...