This lockable two-position servo control system was found in documentation from the 1990s. The error amplifier can be an operational amplifier and the sensors are phototransistors.
Found in American documentation from the 1970s, this circuit can be designed based on a modern SCR,...
June 2017 - A wide variety of Rohm Semiconductor audio and codecs for audio is available from...
Found in a 1964 Electronic Design, this circuit must use transistors according to the supplied...