This circuit is from a Ferranti publication of 1968. The circuit generates a signal according to the crystal. The transistor may be a modern equivalent.
VU or Volume Units is a sound intensity indicator that can be installed on any stereo. The...
This circuit was obtained in Linear Technology documentation from 1993. The circuit provides 3.3 V and...
The first circuit we present consists of a step-down DC / DC converter with input voltage from 2.5 to...