The integrated circuit used is uncommon today. The circuit was obtained in the Philips integrated circuits manual of 1990. The reference voltage-range is from 0.5 to 9.0 V.
This signal attenuator was suggested by Electronics Now magazine in April 1999. The circuit is...
This common metronome configuration has already appeared in several of our articles and projects. This...
In the figure we have a circuit with two operational amplifiers 741 capable of doubling the...