Found in a 90s Elektor, this mixer makes use of integrated circuits of the time. The supply must be symmetrical at 15 V.
Servo motors operate from the changes in the pulse width in a range between 1 and 2 ms. The...
This circuit was found in a publication of1994, originally obtained from the National...
This capacimeter was obtained in European documentation from the 1980s. The indicator instrument, a...