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TDA7402 数据表(PDF) 35 Page - STMicroelectronics

部件名 TDA7402
功能描述  Car radio signal processor
PDF  71 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7402 数据表(HTML) 35 Page - STMicroelectronics

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5.3
Notes about the characteristics
5.3.1
Intermodulation suppression
measured with: 91% pilot signal; fm = 10kHz or 13kHz.
5.3.2
Traffic radio (V.F.) suppression
measured with: 91% stereo signal; 9% pilot signal; fm=1kHz; 5% subcarrier
(f=57kHz, fm=23Hz AM, m=60%)
5.3.3
SCA (subsidiary communications authorization)
measured with: 81% mono signal; 9% pilot signal; fm=1kHz; 10%SCA - subcarrier
( f
S = 67kHz, unmodulated ).
Intermodulation (Note 2.3.1)
α2
fmod=10kHz, fspur=1kHz
65
dB
α3
fmod=13kHz, fspur=1kHz
75
dB
Traffic Radio (Note 2.3.2)
α57
Signal f=57kHz
70
dB
SCA - Subsidiary Communications Authorization (Note 2.3.3)
α67
Signal f = 67kHz
75
dB
ACI - Adjacent Channel Interference (Note 2.3.4)
α114
Signal f=114kHz
95
dB
α190
Signal f=190kHz
84
dB
Table 7.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
α2
V
O sign al
() at1kHz
()
V
O spurious
() at1kHz
()
---------------------------------------------------------------- f
s
;
210kHz
⋅
() 19kHz
–
==
α3
V
O sign al
() at1kHz
()
V
O spurious
() at1kHz
()
---------------------------------------------------------------- f
s
;
313kHz
⋅
() 38kHz
–
==
α57 V.W.F
()
V
O sig nal
() at1kHz
()
V
O sp urious
() at1kHz 23kHz
±
()
-----------------------------------------------------------------------------------------
=
α67
V
O sign al
() at1kHz
()
V
O spurious
() at1kHz
()
---------------------------------------------------------------- f
s
;
238kHz
⋅
() 67kHz
–
==



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