CSCE 3612 ch5-4

CSCE 3612 ch5-4 - Program design and analysis Software...

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© 2008 Wayne Wolf Overheads for Computers as Components 2 nd ed. Program design and analysis Software modem.
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© 2008 Wayne Wolf Overheads for Computers as Components 2 nd ed. Theory of operation Frequency-shift keying: separate frequencies for 0 and 1. time 0 1
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© 2008 Wayne Wolf Overheads for Computers as Components 2 nd ed. FSK encoding Generate waveforms based on current bit: bit-controlled waveform generator 0110101
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© 2008 Wayne Wolf Overheads for Computers as Components 2 nd ed. FSK decoding A/D converter zero filter one filter detector 0 bit detector 1 bit
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© 2008 Wayne Wolf Overheads for Computers as Components 2 nd ed. Transmission scheme Send data in 8-bit bytes. Arbitrary spacing  between bytes. Byte starts with 0 start bit. Receiver measures length of start bit to  synchronize itself to remaining 8 bits. start (0) bit 1 bit 2 bit 3 bit 8 ...
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© 2008 Wayne Wolf Overheads for Computers as Components 2 nd ed. Requirements
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This note was uploaded on 09/30/2008 for the course CSCE 3612 taught by Professor Goodrum during the Fall '08 term at North Texas.

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CSCE 3612 ch5-4 - Program design and analysis Software...

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