100 V x 250 mA switched converter (CB9961E)

This circuit was found in a 1970s documentation. The components are from that time, and semiconductors are difficult to obtain today.

| Clique na imagem para ampliar |

40 mA Constant Current Source (CB6632E)
The setting of this power supply is only 0.1%. We found it in a 1969 US documentation. Transistors...
20 Hz to 20 kHz Sinusoidal Generator (CB19206E)
We found this interesting transistor generator in European documentation from the 1980s. The...
VCO With Operational (CB15466E)
The circuit shown in the figure uses two of the four operational amplifiers found on the LM324...