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TDA7514 Datasheet(PDF) 55 Page - STMicroelectronics

No. de pieza TDA7514
Descripción Electrónicos  SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR
PDF  74 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7514 Datasheet(HTML) 55 Page - STMicroelectronics

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TDA7514
Table 60.
SUBADDRESS 14: Noise Blanker
Table 61.
SUBADDRESS 15: Noiseblanker & High Cut
(**)cfr. HCC/SB threshold table
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
Low Threshold (FM)
(AM)
0
0
0
65 mV
166%
0
0
1
60 mV
156%
0
1
0
55 mV
147%
0
1
1
50 mV
137%
1
0
0
45 mV
128%
1
0
1
40 mV
118%
1
1
0
35 mV
109%
1
1
1
30 mV
99%
Noise Controlled Threshold
0
0
320 mV
0
1
260 mV
1
0
200 mV
1
1
140 mV
0
Noise blanker OFF
1
Noise blanker ON
Over deviation threshold
0
0
Over deviation adjust 2.8V
0
1
Over deviation adjust 2.0V
1
0
Over deviation adjust 1.2V
1
1
Over deviation detector OFF
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
VHCH Shift ("a" factor) (**)
0
001
97%
0
010
73%
0
100
50%
1
000
32%
Strong multipath-controlled Noise Rectifier
Discharge Resistor (if bit7 byte 16 = 1)
0
0
R = infinity
0
1
R = 56Mohm
1
0
R = 33Mohm
1
1
R = 18Mohm
Noise Blanker Time
FM
AM
0
0
34 us
1130 us
0
1
24 us
755 us
1
0
29 us
950 us
1
1
22 us
651 us



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