This circuit can be used as an answering password system in a store, office, or other location. The circuit is from Intersil using components of the time. The circuit is from the 80's.
This circuit was found in a 2005 Linear Technology application manual. The circuit is based on the...
We found this circuit in a Poptronics of the 90s. The circuit operates from 100 kHz to 30 MHz and...
This circuit can be used as a shield based on 555. The calculation of the timing network is done...