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TDA7786 数据表(PDF) 35 Page - STMicroelectronics

部件名 TDA7786
功能描述  ELITE automotive tuners for AM/FM car-radio
PDF  54 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7786 数据表(HTML) 35 Page - STMicroelectronics

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TDA7786, TDA7786M
Electrical specifications
53
3.5
Overall system performance
3.5.1
FM overall system performance
Antenna level equivalence: 0 dBµV = 1 µVrms (Antenna terminal voltage with 75 Ω dummy
load).
Figure 19. FM input set-up
Input level referred to 75 Ω antenna dummy output. Frf = 98.1 MHz, Vrf = 60 dBµV, mono
modulation, fdev = 40 kHz, faudio =1 kHz audio. De-emphasis = 50 µs. Wide-band, not-tuned
pre-selection application, unless otherwise specified.
Table 26. FM overall system performance
Parameter
Test condition
Min
Typ
Max
Units
Tuning range FM Eu
(can be modified by the user)
(automatic FE alignment
available)
87.5
-
108
MHz
Tuning step FM Eu
(can be modified by the user)
-
100
-
kHz
Tuning range FM US
(can be modified by the user)
(automatic FE alignment
available)
87.5
-
107.9
MHz
Tuning step FM US
(can be modified by the user)
-
200
-
kHz
Tuning range FM Jp
(can be modified by the user)
(automatic FE alignment
available)
76
-
90
MHz
Tuning step FM Jp
(can be modified by the user)
-
100
-
kHz
Tuning range FM EEu
(can be modified by the user)
(automatic FE alignment not
available)
65
-
74
MHz
Tuning step FM EEu
(can be modified by the user)
-
100
-
kHz
Sensitivity
S/N = 26 dB
-
-6
-3
dBµV
S/N
@ 10 dBµV, no high-cut,
DISS BW = #4
49
52
-
dB
Ultimate S/N
@ 60 dBµV, mono
77
80
-
dB
@ 60 dBµV,
Deviation = 75 kHz, mono
82
85
-
dB
@ 60 dBµV, stereo
67
70
-
dB



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