This basic TTL watch and minute clock circuit was found in European documentation from the 1970s. The power supply is not included and is given in CB19635E. The circuit uses common anode displays.
of the National Semiconductor of 1994. The same technique can be used with other operators and the...
This is an interesting configuration of the LM317 voltage regulator found in an EDN from the 90s....
This circuit is from the datasheet of STMicroelectronics, being indicated for the voltage...