This circuit is from an old Signetics documentation. It can be implemented with modern operational amplifiers. The power supply must be symmetrical.
This Hughes circuit is from 1968. Equivalent modern components can be used. The input impedance is...
June 2016 - Mouser is providing the new chips of Murata noise filters to products that employ this...
Found in an ancient American documentation, this circuit can generate signals up to 40 MHz for a...