TDA9899HL NXP [NXP Semiconductors], TDA9899HL Datasheet - Page 78

• Manufacturer Part Number: TDA9899HL
• Description: Multistandard hybrid IF processing including car mobile
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
TDA9899_3
Product data sheet
Fig 36. Front-end level diagram
antenna
(dB V)
input
level
(1) Signal levels for 1 dB video output level using maximum RF gain and maximum IF gain.
(2) Signal levels for +1 dB video output level using minimum IF gain.
(3) Signal levels for TOP-adjusted tuner output level using maximum RF gain and
(4) Signal levels for TOP-adjusted tuner output level using minimum RF gain and
(5) TOP-adjusted tuner output level.
(6) TOP-adjusted VIF amplifier input level.
(7) Minimum antenna input level at 1 dB video level.
120
100
80
60
40
20
0
Video signal related peak-to-peak levels are divided by factor 2 2 in order to conform with the
RMS value scale of the secondary y-axis, but disregarding the none sine wave signal content.
adjustment-related minimum IF gain.
adjustment-related minimum IF gain.
TD1716
(4)
(1)
(3)
tuner
control
range
(7)
gain
RF
Rev. 03 — 15 January 2008
band-pass
(6)
X3450L
Multistandard hybrid IF processing including car mobile
(5)
(2)
amplifier
VIF
range limited
adjustment
by TOP
IF gain
control
IF demodulator, TDA989x
demodulator
IF gain
control
range
amplifier
TDA9899
© NXP B.V. 2008. All rights reserved.
video
001aaf639
1
10
10
10
10
10
10
IF signal
78 of 103
values
RMS
(V)
1
2
3
4
5
6