Found in American documentation from the 1980s, this circuit has a diode feedback. At the exit we have an indicator LED. The LM3900 is a transconductance operational amplifier.
September 2017 - Analog Devices is making available through Mouser Electronics the Analog Devices...
This interesting circuit for analog TV selects the first line of a frame. The circuit was found in a...
January 2017 - Mouser Electronics is introducing new, ultra-thin Vishay Displays OLED modules. The new...