dCS 904 User Manual

Manual for Software Version 1.5x and 1.36

dCS Ltd

June 2000

 

 

Integrated Q Noise Power (dB)

Q Noise rel Full Scale DSD (dB)

20.00

0.00

-20.00

-40.00

-60.00

-80.00

-100.00

-120.00

-140.00

-160.00

-180.00

1

-80

-100

-120

-140

-160

-180

-200

-220

-240

-260

-280

0.1

Integrated Q Noise for DSD Filters

normalised for Full Scale DSD at 0dB

F1

F2

F3

F4

F5

F6

F7

10

100

1000

Frequency (kHz)

Figure 13 – DSD output, Filter responses (Integrated Q Noise)

Spot Q Noise for DSD Filters, F Weighted

 

in 400 Hz bandwidth

 

 

 

 

 

 

20

 

 

 

F1

 

 

 

 

F2

0

 

 

 

 

 

 

 

F3

-20

 

 

 

 

 

 

 

F4

 

 

 

 

F5

-40

 

 

 

 

 

 

 

F6

-60

(dB)

 

 

 

 

 

F7

 

 

 

 

weighting

 

 

(right hand scale)

-80

 

 

F weighting curve

 

 

 

 

 

-100

F

 

 

 

-120

 

 

 

 

-140

 

 

 

 

-160

 

 

 

 

-180

 

1

10

100

1000

 

 

Frequency (kHz)

 

 

 

Figure 14 – DSD output, Filter responses (F weighted Spot Q Noise)

Manual part no: DOC135904 iss 2B2

Page 35

135904ma2b2.pdf file available from website

Contact dCS on + 44 1799 531 999

email to: more@dcsltd.co.uk

(inside the UK replace + 44 with 0)

web site: www.dcsltd.co.uk