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Anv round-oft errors in the transmitted signal are
reproduced when the code is converted back to
analog in the receiver.
Is the ratio of the lcrg
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Is the transmittal of digital signals between two or
. . . . Digital Transmission
more polnts In a communlcatlons system.
developed the first digital transmission
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The sampling process alters the freoiuencilr spectrum
and introduces an error called Aperture Error
The of the capacitor is called the ND
conversion time because it is during this time that the
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Sometimes called pulse duration modulation lF'DMi or
length modulation lF'LMII. as the width cfw_active portion
at the duh!r cycle of a constant amplitude pulse is
varied proportional to the amplitude at the
analog signal at
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modulation uses a single-bit FCM code to
.chieve digital transmission of analog signals
Two problems associated with delta modulation thot Slope Overload and
do not occur with conven tional PC