This 1967 General Electric circuit makes use of an array of 3 (integrated) transistors for an amplifier stage. The circuit has a 500 mV output.
We find this circuit in a 1995 documentation. It warns when the timing is nearing its end, with...
The oscillator in the figure has its frequency determined by the crystal. The indicated value is...
WWV is the standard frequency station of the United States government. This station broadcasts a...