ba1404 fm stereo modulator


Posted on Feb 6, 2014

Using BA1404 can be designed a very simple and useful fm stereo modulator electronic project. This BA1404 fm stereo modulator device works in FM broadcast band ( 75- 108MHz) and require few external common components. The BA1404 fm stereo modulator Ic contains all parts needed to design an simple high efficiency stereo transmitter circuit. This


ba1404 fm stereo modulator
Click here to download the full size of the above Circuit.

IC contains a stereo modulator that creates stereo composites signals, an FM modulator that creates FM signals and a RF amplifier. The fm stereo transmitter develops composite signals made up of a main(L+R) signal and sub(L-R) signal and a pilot (19KHz) signal using a 38KHz crystal oscillators.




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