This circuit is from an old American documentation and its use in motorcycles with 12 V is suggested to power 6V radios. The transistor can be the BD136 and BC548.
) Found in a 90s Linear Technology documentation, this circuit is a fading of video signals and...
This is an RF amplification step for small signals using the common base configuration. The...
In the figure we have the way to use a 4017 as a sequencer controlled by a microcontroller. With...