We found this circuit in documentation from National Semiconductor. For the medium wave range the coil consists of 50 + 50 turns of wire 28 in a ferrite rod.
Found in a 1990s Motorola documentation, this circuit aims to protect a triac that drives an...
The LM195 is a fast power transistor from National Semiconductor not very easy to find today. C1...
This circuit was obtained from a European magazine of the 1990s. The integrated circuit used is...