This oscillator uses a crystal to set the frequency. The operating limit of the unijunction is in the order of 100 kHz. Power supply can be between 10 and 20V.
The circuit in the figure is an amplifier with gain 10 for alternating signals using the 741. The...
The sensors in this circuit are photodiodes with filters. The circuit is suggested by the National...
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...