dCS 974 User Manual

Manual for Software Version 1.0x

dCS Ltd

May 2001

 

 

Q Noise rel Full Scale DSD (dB)

 

Spot Q Noise for DSD Filters

 

in 400 Hz bandwidth

0

 

 

F1

-20

F2

 

F3

-40

F4

F5

 

 

F6

-60

F7

-120dB in 20 kHz

-80

-100

-120

-140

-160

-180

-200

1

10

100

1000

Frequency (kHz)

Figure 36 – DSD output, spot Q Noise for the various Filter options

Integrated Q Noise for DSD Filters

Integrated Q Noise Power (dB)

 

normalised for Full Scale DSD at 0dB

20.00

 

 

F1

0.00

F2

 

F3

-20.00

F4

 

F5

-40.00

F6

F7

 

-60.00

 

-80.00

-100.00

-120.00

-140.00

-160.00

-180.00

1

10

100

1000

Frequency (kHz)

Figure 37 – DSD Output, integrated Q Noise for the various Filter options

Manual part no: DOC1241121A1

Page 97

Document No: OS-MA-A0124-112.1A1

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