This timer was found in English documentation from the 80's. The integrated circuit is common nowadays and the MOSFET admits equivalent according to the controlled load.
This high-speed circuit was found in 1980s Linear Technology documentation. The circuit makes use...
The transistors of this amplifier for 8-200 headphones may be the BC548 or equivalent to replace...
The frequency of this pulser depends on the capacitor and the characteristics of the relay. The...