Found in documentation two years 80, this toy instrument uses an integrated circuit little commonly. As notes are given the values of key series resistors on the keyboard.
This circuit consists of a power audio amplifier used in the modulation of AM transmitters. The...
This circuit was found in National Semiconductor documentation from the 1990s. The circuit has a 75...
When switching on, the output voltage of this regulator rises slowly until it reaches 15 V. The...