Showing posts with label am. Show all posts
Showing posts with label am. Show all posts
Monday, September 8, 2014
AM and FM Radio with LA1800 Portable
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).
Sunday, August 24, 2014
Mosfet Mixer Oscillator For Am Receivers Wiring diagram Schematic
This is a simple Mosfet Mixer Oscillator For Am Receivers Circuit Diagram. This schema is an improved front end for upgrading a transistor AM receiver. This front end is useful when the radio is to be used as a tune-able IF amplifier with shortwave converters.
Mosfet Mixer Oscillator For Am Receivers Circuit Diagram
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