tda8295 NXP Semiconductors, tda8295 Datasheet - Page 28

• Manufacturer Part Number: tda8295
• Description: Tda8295 Digital Global Standard Low If Demodulator For Analog Tv And Fm Radio
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA8295_1
Product data sheet
9.3.6 Filter settings
Table 23.
Legend: * = default value.
Bit
7 to 5 VID_FILT[2:0]
4 to 0 NOTCH_FILT[4:0]
Fig 7. Video low-pass filters for sound carrier suppression
(1) M/N standard.
(2) All other standards.
Symbol
FILTERS_1 register (address 0Fh) bit description
Digital global standard low IF demodulator for analog TV and FM radio
(dB)
resp(f)
Rev. 01 — 4 February 2008
10
10
30
50
70
0
Access Value
R/W
R/W
1
001*
010
100
0 0001*
0 0010
0 0100
1 0000
2
3
Description
video low-pass filter to remove all unwanted
frequencies (own sound carriers) above video
content (see
The notch filter attenuates the adjacent sound
carrier N
dependent on channel spacing 6 MHz, 7 MHz or
8 MHz (see
video low-pass filter 4 MHz
video low-pass filter 5 MHz
video low-pass filter off
notch filter for 6 MHz channel spacing
(M/N standard)
notch filter for 7 MHz channel spacing
(B standard)
notch filter for 8 MHz channel spacing (G/H,
D/K, I, L and L-accent standard)
notch/low-pass filter off
4
(1)
5
(2)
1, which is located differently
Figure
Figure
001aah358
6
f (MHz)
8).
7)
7
TDA8295
© NXP B.V. 2008. All rights reserved.
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