This circuit was found in the 1990 Motorola Dataar Linear. We can mount it with more modern equivalent transistors. Output transistors shall be provided with heat radiators.
This circuit is connected to the sum key of a common calculator. Adjusted to produce a pulse per...
This circuit was published in an English magazine from 1980. The magazine no longer exists, but...
This oscillator was found in a 1967 General Electric documentation. The UJT is P-channel, an unusual...