This circuit is from 1970 documentation. The SCRs are types of the era that can be replaced with 106 Series equivalents. The circuit is powered with 100 V dc.
The circuit shown in the figure can generate signals of good intensity up to a frequency of 30...
This touch sensor, found in an American documentation on transistors, has gained 8 million times...
This is a complete version of the previous circuit, with several scales and two transistors, one...