TDA8295_09 Datasheet, PDF (54/83 Pages) NXP Semiconductors – Digital global standard low IF demodulator for analog TV and FM radio

NXP Semiconductors
TDA8295
Digital global standard low IF demodulator for analog TV and FM radio
0.65
t_d(grp)
(μs)
0.62
001aaj779
0.59
0.56
0.53
0
1
2
3
4
5
f (MHz)
Fig 12. Example for the programmable group delay equalizer
The coefficients used in the above filter are according to Table 67. To get any other filter
characteristic use a professional filter tool to determine the coefficients.
Table 67. Coefficients used in group delay equalizer example
Symbol
GD_EQ_SECT1_C1[7:0]
GD_EQ_SECT1_C2[7:0]
GD_EQ_SECT2_C1[7:0]
GD_EQ_SECT2_C2[7:0]
GD_EQ_SECT3_C1[7:0]
GD_EQ_SECT3_C2[7:0]
GD_EQ_SECT4_C1[7:0]
GD_EQ_SECT4_C2[7:0]
Value
B9h
16h
DBh
17h
0Eh
19h
47h
1Ch
TDA8295_C2_2
Product data sheet
Rev. 02 — 27 November 2009
© NXP B.V. 2009. All rights reserved.
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