The integrated circuits used in this oscillator are not very common today, as we obtained it in documentation from the 1980s. The circuit must be powered by a symmetrical source.
This direct-coupling three-transistor amplifier source some watts to a loudspeker when powered...
Both the field effect transistor and the integrated circuit of this 1970s circuit are no longer very...
This circuit was found in a 1987 magazine. It measures the pulse rate produced by a cardiac...