Found in an American documentation from 1969, this circuit operates at a frequency determined by the resonant circuit.
Other series operationals such as the LM258, LM358 and LM2904 can be used on this circuit of the...
The 4028 CMOS IC not only contains the complete decade counter, but also the 7-segment decoder...
This circuit was found in old documentation, appearing elsewhere in this section, taken from other...