Voltase hobby

This portable AM and FM radio schema is designed using the LA1800 IC and some other external components. As you can see in this schema diagram the LA1800 manufactured by Sanyo Semiconductors , require few additional components. The LA1800 am FM portable radio schema needs to be powered from a 3 volt DC power supply schema.

AM and FM Radio with LA1800 Portable Circuit Diagram

You can use an 3 volt battery. This radio receiver schema has a low current dissipation of 5.6mA for FM band and 3.2mA for AM band .Also the output signal is driven into earphone speakers , but you can use an additional speaker ( in that case you need to connect an additional small power audio amplifier).