This circuit was found in 1980s Radio Electronics. The circuit includes the power supply. The ICL8038 circuit was very common at the time in this type of application.
This circuit causes the voltage at the regulator output to rise slowly to the value determined by the...
In the figure we have a piezoelectric transducer drive circuit that can be used in conjunction with the...
This is the traditional configuration of a 5 V supply with the 7805 for a current of 1 A. The...