Found in Texas Instruments documentation from the 1980s, this circuit applies to digital signal transmission with FSK modulation. The circuit is slow, as it uses period components.
The 4518 can be cascaded to count to values higher than 10. The output EN of this device can be...
We found this circuit in a 1985 documentation. The 4-LED bargraph is excited by an input voltage. The...
This circuit produces a sinusoidal signal whose frequency can be calculated using the formula next...