This circuit has its frequency controlled by a 1MHz crystal. The circuit must be powered by a voltage of 5V. The capacitors must be ceramic. The generated signal is rectangular.
A quartz crystal-controlled oscillator, capable of operating up to approximately 1 MHz, can be...
Analyzing the circuit shown in the figure we see that the difference in relation to the previous ones...
This two transistor audio amplifier stage was found in a publication of the year 1968. The...