This is one of the many 7400 oscillators we have in our circuit bank. It is crystal controlled and must be powered with a voltage of 5 V.
This CMOS Flasher was found in a Popular Electronics from 1978. It can still be easily assembled, as all...
In the figure we have the suggestion of coupling an audio oscillator to monitor the CW...
This double bench source has a fixed voltage output and an adjustable voltage output with current up...