tda9899 NXP Semiconductors, tda9899 Datasheet - Page 67

• Manufacturer Part Number: tda9899
• Description: Tda9899 Multistandard Hybrid If Processing Including Car Mobile
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA9899_3
Product data sheet
Fig 16. Typical analog and digital AFC characteristic for VIF
Fig 17. Typical analog and digital AFC characteristic for RIF
f
f
AFC(VIF)
AFC(RIF)
(kHz)
(kHz)
(1) VIF AFC via I
(2) Bit AFCWIN via I
(3) Bit AFCWIN via I
(4) VIF AFC average current.
(5) Reading via I
(6) Average; RC network at pin MPP2.
(1) RIF AFC via I
(2) FM carrier detection via I
(3) RIF AFC average current.
(4) Reading via I
(5) Average; RC network at pin MPP2.
250
150
150
250
250
150
150
250
50
50
50
50
36.375
0
0
Characteristics of digital and analog radio AFC is mirrored with respect to center frequency when lower sideband is used
(W2[3] = 0).
5.0
(5)
(4)
AFC undefined
36.875
2
2
2
2
C-bus.
C-bus.
C-bus; accuracy is 1 digit.
C-bus.
2
2
C-bus (VCO is in 1.6 MHz window) for all standards except M/N standard.
C-bus (VCO is in 0.8 MHz window) for M/N standard.
5.2
2
C-bus.
37.375
bit AFCWIN (R1[7]) = 1
37.875
Rev. 03 — 15 January 2008
5.4
bit CARRDET (R1[5]) = 1
Multistandard hybrid IF processing including car mobile
38.375
5.6
38.875
(1)
(3)
(4)
(1)
(2)
(3)
39.375
5.8
AFC undefined
39.875
f
RIF
(MHz)
TDA9899
f
VIF
© NXP B.V. 2008. All rights reserved.
(2)
008aaa035
001aad443
(MHz)
40.375
6.0
250
150
50
0
250
150
50
0
50
150
250
50
150
250
I
I
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AFC
AFC
( A)
( A)
(6)
(5)