This circuit was obtained in a Hands-On Electronics from the 90's. The circuit turns on one LED at the end of the timer, erasing the other. The timing can be increased by changing C1.
We found this circuit in a 1964 publication. The circuit is both an amplifier and an oscillator for the...
This circuit was obtained from the 2005 manual of Linear Technology LT1306. The formulas for...
This is a traditional complementary configuration that provides good audio power with excellent...