tda9898 NXP Semiconductors, tda9898 Datasheet - Page 63

• Manufacturer Part Number: tda9898
• Description: Multistandard Hybrid If Processing Semiconductors
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA9897_TDA9898_3
Product data sheet
Fig 12. Typical VIF monitor and TAGC characteristic
Fig 13. Typical tuner takeover point as a function of I
(1) VIF AGC.
(2) TAGC; W10 = 00h.
(3) TAGC; W10 = 10h.
(4) TAGC; W10 = 1Fh.
(dB V)
V
i(IF)
100
90
80
70
60
50
Integral TAGC (W9); step width: 1.3 dB V.
IF based TAGC (W10).
V
monitor(VIFAGC)
Rev. 03 — 11 January 2008
(V)
5
4
3
2
1
0
30
(1)
50
(2)
70
(3)
90
TDA9897; TDA9898
Multistandard hybrid IF processing
(4)
2
C-bus register W9 or W10
110
V
i(VIF)
bit pattern W9[4:0] or W10[4:0]
001aad353
(dB V)
130
V
5
4
3
2
1
0
TAGC
(V)
© NXP B.V. 2008. All rights reserved.
001aaf640
63 of 103