TDA8295_09 Datasheet, PDF (31/83 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
10
α_resp(f)
(dB)
(1)
−10
(2)
(3)
−30
001aah360
−50
−70
0
2
4
6
8 10 12 14
f (MHz)
(1) M/N standard.
(2) All other standards.
(3) FM radio.
Fig 9. SSIF and FM radio band-pass filters
9.3.7 Group delay equalization
Table 25. GRP_DELAY register (address 11h) bit description
Legend: * = default value.
Bit
Symbol
Access Value Description
7
GD_EQ_CTRL R/W
group delay equalizer control; this is the control for
the freely programmable group delay equalizer; for
details see Section 9.3.21
0*
off (equalizer bypassed)
1
on (equalizer active)
6 and 5 -
R/W -
not used
4 to 0 GRP_DEL[4:0] R/W
group delay equalization to correct the transmitter
predistortion
0 0001* group delay M/N standard
0 0010 group delay B/G/H standard
0 0100 group delay D/K standard
0 1000 group delay L/L-accent standard
1 0000 group delay I (flat) standard
TDA8295_C2_2
Product data sheet
Rev. 02 — 27 November 2009
© NXP B.V. 2009. All rights reserved.
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