Voltmeter (CB7953E)

Details: Written by: Newton C. Braga

JFET

This configuration, quite common in this section, was found in a 90s American documentation. The JFET can be of any type of general use.

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Circuit Bench

Automatic Control System (CB18693E)
This circuit was found in a 1998 documentation and its purpose is to automate controls by timing its...
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This circuit is from a 1977 Radio Shack documentation. It produces a modulated sound of good...
Unit gain low pass filter (CB7574E)
This second-order filter was found in old American documentation and can be applied to other...