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 found in a 1980s telecommunications publication. The circuit uses a diode bridge to...
This circuit is from an English magazine from 1980, but it can be easily assembled with more...
The indicated circuit is an intermittent one in which we use two 555 integrated ones, one as a low...