Triangular and square signal generator (CB21448E)

This circuit was taken from an old American documentation. It can be built with modern op amps. The power supply does not have to be symmetrical.

| Clique na imagem para ampliar |

Temperature Compensated Crystal Oscillator (CB5114E)
This circuit was found in an American 1980s documentation. Transistors can be commonly used for...
High Voltage Regulator (CB15737E)
This regulator provides a regulated output voltage of 48 V under a current of up to 1 A from a 60...
Multi-Pass Filter with Multiple Feedback MC1776 (CB4499E)
The integrated circuit used in this filter is not very common today, but the configuration can be implemented...