Frequency Shift Keying (FSK) Encoding and Decoding


Posted on Feb 5, 2014

The meaning of Frequency Shift Keying (FSK) is transmitting digital data over a signal path (two wires, telephone lines, AM or FM transmitter). Typically, there are only two signals transmitted. One corresponds to a logical 1 ³. the other to a logical 1 ³. These two frequency will be generated by a TC9400 V/F converter when connected as shown be


Frequency Shift Keying (FSK) Encoding and Decoding
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low. The V/F converter is set to the lower frequency by the potentiometer. Which frequency is selected is determined by the digital input. A 1 ³ selects the upper frequency and a 0 ³ selects the lower frequency. TC9400, in F/V mode, convert back the digital frequency signal into a digital format. [System`s block diagram source: Microchip Application Note] We aim to transmit more information by carrying articles. Please send us an E-mail to wanghuali@hqew. net within 15 days if we are involved in the problems of article content, copyright or other problems. We will delete it soon.




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