In the figure we have the way to implement a power zener diode. The voltage depends on the zener, and the maximum current of the transistor.
Texas Instruments CC2564MODN Bluetooth Host Controller Interface (HCI) Module is a complete...
This circuit has a configuration that can be found elsewhere on this site. The power supply can...
This receiver for listening on the phone was found in a Japanese magazine in 1967. The circuit uses...