Voltage Follower TL081 (CB15308E)

This conventional circuit is from Motorola's 1993 Linear Interface ICs. The power source must be symmetrical.

Timer 555 (CB17540E)
This is one of many timer settings with the 555 found on this site. This is the traditional...
Square Oscillator LM3900 (CB17389E)
This configuration can be found in other articles in this section. This was obtained in a 2000...
Wien II Bridge Oscillator (CB4924E)
This circuit generates signals from 0.01 Hz to 10 kHz, but uses unusual components today. The...