Depending on the components, given in the table, this circuit can amplify signals of 100 MHz or 400 MHz. The circuit is from a 80's documentation. Equivalent transistor can be used.
This circuit is from a 1987 magazine, but it can still be easily assembled, as the components are...
In the figure we have a second order filter with very high input impedance, using an operational...
This circuit is from Motorola's Linear Interface ICs from 1993. The MC1723 is the equivalent of...