We found this circuit in a 1968 US documentation. The power FET is a component of the time and the current is 4.5 mA only.
The 4518 can be cascaded to count to values higher than 10. The output EN of this device can be...
This oscillator uses a ceramic resonator to determine the frequency. This kind of element is found...
This small transmitter appeared in the March 1989 issue of Radio Electronics magazine. The...