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TDA7406 数据表(PDF) 29 Page - STMicroelectronics

部件名 TDA7406
功能描述  Car radio signal processor
PDF  64 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7406 数据表(HTML) 29 Page - STMicroelectronics

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TDA7406
Stereodecoder part
29/64
Notes to the characteristics:
1. Intermodulation Suppression:
; fs = (2 x 10kHz) - 19kHz
; fs = (3 x 13kHz) - 38kHz
measured with: 91% pilot signal; fm = 10kHz or 13kHz.
2. Traffic Radio (V.F.) Suppression:
measured with: 91% stereo signal; 9% pilot signal; fm= 1 kHz; 5% subcarrier (f = 57kHz, fm = 23Hz AM, m = 60%)
3. SCA (Subsidiary Communications Authorization)
; Fs =(2 x 38kHz) - 67kHz
measured with: 81% mono signal; 9% pilot signal; fm = 1kHz; 10%SCA - subcarrier ( fs = 67kHz, unmodulated ).
4. ACI ( Adjacent Channel Interference ):
; Fs = 110kHz - (3 x 38kHz)
; Fs = 186kHz - (5 x 38kHz)
measured with: 90% mono signal; 9% pilot signal; fm =1kHz; 1% spurious signal( fs = 110kHz or 186kHz, unmodulated).
Intermodulation (Note 1)
α2f
mod=10kHz, fspur=1kHz
65
dB
α3f
mod=13kHz, fspur=1kHz
75
dB
Traffic Radio (Note 2)
α57
Signal f=57kHz
70
dB
SCA - Subsidiary Communications Authorization (Note 3)
α67
Signal f=67kHz
75
dB
ACI - Adjacent Channel Interference (Note 4)
α114
Signal f=114kHz
95
dB
α190
Signal f=190kHz
84
dB
Table 5.
Stereodecoder electrical characteristics (continued)
VS = 9V, de-emphasis time constant = 50µs, MPX input voltage VMPX = 500mV (75kHz
deviation), modulation frequency = 1kHz, input gain = 6dB, Tamb = 27°C, unless
otherwise specified.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
α2
V
O signal
() at1kHz
()
V
O spurious
() at1kHz
()
----------------------------------------------------
=
α3
V
O signal
() at1kHz
()
V
O spurious
() at1kHz
()
----------------------------------------------------
=
α57 V.W > F.
()
V
O signal
() at1kHz
()
V
O spurious
() at1kHz 23kHz
±
()
-----------------------------------------------------------------------
=
α67
V
Osignal
() at1kHz
()
V
O spurious
() at9kHz
()
----------------------------------------------------
=
α114
V
O signal
() at1kHz
()
V
O spurious
() at4kHz
()
----------------------------------------------------
=
α190
V
O signal
() at1kHz
()
V
O spurious
() at4kHz
()
----------------------------------------------------
=



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