This scheme has wide application in radios, phones (old), TV. It is used as an amplifier of the received signal. The scheme is very simple and it will be able to collect even a novice hobbyist. This scheme will help to listen to the radio almost did not hear the noise, even when driving. Also, the device can increase the range of reception radiotochka.
In the heart device is a chip company Maxim Integrated: MAX2633
Main technical characteristics:
Gain up to 900 MHz.
Consumption 2.5-4 mA.
The device does not require adjustment, unless of course assembled correctly. Of course you can experiment with long and the area of the antenna, and higher gain.
