This circuit was obtained in a Motorola documentation from 1968. The circuit uses a power transistor of the time. Modern equivalents according to the load current and voltage can be used.
We found this shield circuit in the SGS Integrated Circuits Manual of 1982. The circuit is...
This circuit is from 1997 Linear Technology Applications. The circuit uses common components at...
This circuit, found in ancient US documentation, allows you to switch the antenna from the...