We found this frequency meter circuit in a 1974 documentation. The circuit is powered by 12 V and has 8 digits. Changes can be made using a prescaler to reach higher frequencies.
Several circuits similar to this one can be found on our website. This is from an internet...
The LM12 is a high-power operational amplifier capable of providing a 4 A output current with a 40...
The A3906 integrated circuit from Allegro MicroSystems (www.allegro.com) consists of a single-step motor...