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.

Tone control TL071 (CB15306E)
This circuit is from Motorola's Linear Interface ICs of 1993. The circuit can be powered by...
Voltage Alarm (CB14980E)
This circuit activates a relay when the supply voltage drops below the value set in the trimpot. The...
90V x 10 A Amplifier (CB8951E)
Based on National semiconductor power operational amplifiers, uncommon today, this circuit...