MultiMulti levellevel D/AD/A conversionconversion

N

N= 64 (for spec 1)

1

1

1

1

1

1

+

The SA DAC uses multi-level D/A conversion, illustrated here. Like multi-bit conversion, the multi-level system uses many switches operating in parallel. Unlike multi-bit designs, the value of all switches is identical—a binary 1.

Multi level

D/A conversion

Multi level

D/A conversion

Output

 

 

64

 

 

0

 

 

1 / 64 fs

1 / 64 fs

1 / 64 fs

time

 

The output of the multi level D/A converter varies from 0 to 64, depending on the number of switches set to On for each sample.

ES DVD Players 2005, Version 4.0

Page 34

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Image 34
Sony NS3100, DVP-NS9100ES manual Multi level Conversion