Based on an integrated circuit of the time, this circuit appeared in the October 1979 issue of Radio Electronics magazine. The circuit monitors voltages in the range of 10.5 to 16.0 V.
A delay of a few seconds to a few tens of seconds can be achieved with this circuit found in a...
This digital CMOS circuit generates sinusoidal signals from a 10 kHz rectangular signal. The...
This instrument was obtained in a documentation for radio amateurs of 1976. The circuit measures...