This circuit provides signals in phase with the input and with the phase inverted. The circuit was found in documentation from the 1990s. Transistors are commonly used.
This circuit was obtained in a Hands-On Electronics from the 90's. The circuit turns on one LED at...
This circuit makes use of an integrated LM2907. The circuit is from an old documentation being...
This circuit simulates a unijunction transistor with two bipolar transistors. We found it in the...