TEF6902AH/V2-T NXP Semiconductors, TEF6902AH/V2-T Datasheet - Page 37
TEF6902AH/V2-T
Manufacturer Part Number
TEF6902AH/V2-T
Description
Tuners TUNER ASP ONECHIP
Manufacturer
NXP Semiconductors
Datasheet
1.TEF6902AHV2-T.pdf
(106 pages)
Specifications of TEF6902AH/V2-T
Mounting Style
SMD/SMT
Package / Case
PQFP-64
Minimum Operating Temperature
- 40 C
Maximum Operating Temperature
+ 85 C
Lead Free Status / RoHS Status
Compliant
Other names
TEF6902AH/V2,518
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NXP Semiconductors
TEF6902A_3
Product data sheet
8.2.5 Write mode: data byte AGC
Table 34.
Table 35.
Bit
7
6
5 and 4
3 and 2
1
0
AGCSW
7
0
AGC - format of data byte 04h with default setting (buffered)
AGC - data byte 04h bit description
Symbol
AGCSW
IFGAIN
-
AGC[1:0]
KAGC
LODX
IFGAIN
6
0
Description
RF AGC switch
IF gain
reserved; 0 = normal operation
setting of RF AGC threshold voltage
FM mixer 1 input voltage (RMS value)
AM mixer 1 input voltage (peak-to-peak value)
keyed AGC
FM mode
AM mode
FM: local switch
AM: trigger signal from AM IF noise blanker to AM audio noise blanker
Rev. 03 — 19 March 2008
0 = no control of unused RF AGC
1 = unused AM RF AGC PIN diode at FM mode, or unused FM RF
AGC PIN diode at AM mode is supplied with a constant current for fixed
attenuation
0 = IF gain for low loss 10.7 MHz filter
1 = increased IF gain (3 dB) for high loss 10.7 MHz filter
00 = 24 mV
01 = 17 mV
10 = 12 mV
11 = 9 mV
00 = 1000 mV
01 = 700 mV
10 = 500 mV
11 = 350 mV
0 = keyed AGC off
1 = keyed AGC on; the AGC start level is shifted to a value 10 dB above
the standard AGC start level, when the level voltage of the wanted RF
signal is below the threshold level voltage for narrow-band AGC
0 = RF cascode AGC enabled with full range
1 = RF cascode AGC enabled with limited range
0 = standard operation (DX)
1 = forced FM RF AGC attenuation (LOCAL)
0 = trigger signal active for low modulation (m < 0.05) only
1 = trigger signal always active, independent of modulation
5
0
4
0
AGC1
3
0
AGC0
2
0
TEF6902A
Integrated car radio
KAGC
© NXP B.V. 2008. All rights reserved.
1
0
LODX
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0
0
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