The transistor used in this circuit is uncommon today. AC124 or equivalent such as AC188K and 2N2431 can be used. The circuit is from the 80's and makes use of transformers.
This circuit is from the owner's manual of the integrated circuits used. The manual is old, which...
The UM3562 integrated circuit is a dedicated circuit found in many toys because it generates three types...
This circuit was found in the ON Semiconductor thyristor manual of the 1980s. As the drive is done by...