Source Follower (CB6153E)

This stage for JFETs was found in a 1965 US publication, but is valid for modern components.

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American Siren (CB12204E)
We found this version of the siren that makes the American police siren sound in a 1980...
Fault indicator (CB21396E)
This circuit was found in old American documentation. The operational amplifiers are from the...
Infrared tone transmitter (CB20977E)
This simple very low power circuit can be used in a battery powered infrared tone trigger. We...