This low frequency divider uses unijunction transistors. The bipolar transistor can be a BC548 and the zener diode Z4XL can be a 12 V zener. The circuit was found in a 1967 publication.
This traditional configuration was taken from na 90s American technical leaflet. The circuit...
The circuit presented was found in the 1994 National Instruments Linear Applications Handbook and...
This circuit is of great use today, when solar energy is becoming increasingly important. The...