Phonograph Oscillator (T1212E)

This 3-tube circuit sends the signals from a record player to a nearby medium wave radio. The circuit is from 1947 and is powered by two batteries.

Two Phase Motor Driver (CB5419E)
This two-phase stepper motor circuit was found in an old documentation using an operational amplifier...
table divider by 2 (CB25675E)
Bis This two-transistor circuit was found in the January 1994 issue of Electronics Now magazine. The...
DRV8884EVM Stepper Motor Evaluatiion Module (COM043E)
It can be obtained from Mouser Electronics new evaluation module for 1A stepper motors control...