This circuit for the VHF band of analog TV was found in Motorola documentation from the 70s. The integrated circuit used is uncommon today.
This circuit was obtained from a Radio Electronics from the 90's. It can generate signals up to a...
This circuit detects the sound of thunder, assessing its intensity and thus the distance of a...
This high voltage regulator with variable output and current that reaches just over 1 A was found...