emergency brake for the power supply

2-26 — elektor february 1981 emergency brake for the voltage supply S0011... Those readers who suffer from a critical ear for sound quality may cast a jaun- diced eye at an article devoted to noise reduction systems such as that pre- sented on page 2.04 of this issue. They may be forgiven for considering the subject to be rather academic since it is usually the case that a great deal of information and data are discussed at length but to no avail. The same prob- lem always occurs, the special ICs are only available to licenced manufac- turers. And there it ends! But not this time because Elektor are going to publish a constructional article on a very high quality noise reduction system. This will not be the usual run of the mill opamp circuit but an Elektor designed and tested system featuring the well known High-Corn IC from Telefunken. What is more, we will also supply the IC together with the printed circuit boards, to provide the sort of high quality project that readers hav...