MOSFET Stage (CB25576E)

This circuit shows how to use the 4007 MOSFETs in an amplifier stage. We found it in an Electronics Now issue from May 1993.

Source Follower (CB6153E)
This stage for JFETs was found in a 1965 US publication, but is valid for modern components. |...
Monostable LM3900 (CB15618E)
We can obtain a monostable circuit with two amplifiers, from the configuration shown in the...
500 Hz Tone Emitter (CB13469E)
This circuit generates a control tone that serves to adjust amplifiers, check audio cables. The...