This circuit was found in Motorola documentation from the 80's. The MOSFET admits equivalent according to the current and voltage of the motor that must be controlled.
The trip circuit for this alarm is given in CB16765E. The circuit uses common components and acts...
This circuit is from an old American publication from 1970, but it can be assembled with a BF494...
This circuit found in 1969 Popular Electronics is used to power a gas laser. The circuit produces...