This circuit was found in a Popular Electronics from the 90's. It consists of the solid-state variation of the well-known grid-dip meter. MOSFET is a component not very easy to obtain these days.
This unit is intended for powering low consumption devices. The operating frequency is...
This high-power amplifier was found in 2001 documentation. The output transistors must be equipped...
July 2016 - It can be obtained from Mouser Electronics new trinkets Adafruit. These trinkets are...