Source Follower (CB6153E)

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

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Variable Timer 555 (CB15097E)
With the values of the components indicated, this timer controls intervals from a few seconds to a...
Light cut Detector (CB4954E)
This 80's circuit uses a light-sensitive SCR or LASCR and a one-sided silicon switch SUS, uncommon...
Transmit Receive Switch (CB4147E)
This circuit, found in ancient US documentation, allows you to switch the antenna from the...