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參數(shù)資料
| 型號： | TDA7403DTR |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封裝： | SO-20 |
| 文件頁數(shù)： | 2/25頁 |
| 文件大?。?/td> | 232K |
| 代理商： | TDA7403DTR |
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
STEREOBLEND and HIGHCUT CONTROL
VHCHmin
Min.Voltage for NO Highcut
42
%REF5V
VHCHmax
Max. Voltage for NO Highcut
66
%REF5V
VHCHstep
Step Resolution
8.4
%REF5V
VHCLmin
Min. Voltage for FULL High cut
17
%VHCH
VHCLmax
Max. Voltage for FULL High cut
33
%VHCH
Carrier and harmonic suppression at the output
α19
Pilot Signal
f = 19KHz
50
dB
α38
Subcarrier
f = 38KHz
75
dB
α57
Subcarrier
f = 57KHz
62
dB
α76
Subcarrier
f = 76KHz
90
dB
Intermodulation (Note1)
α2
Pilot Signal
fmod = 10KHz; fspur = 1KHz;
65
dB
α3fmod = 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
Notes to the characteristics:
1. Intermodulation Suppression: measured with: 91% pilot signal; fm = 10kHz or 13kHz.
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%)
3. SCA ( Subsidiary Communications Authorization ) measured with: 81% mono signal; 9% pilot signal; fm = 1kHz; 10%SCA - subcarrier
( fs = 67kHz, unmodulated ).
4. ACI ( Adjacent Channel Interference ) measured with: 90% mono signal; 9% pilot signal; fm =1kHz; 1% spurious signal
( fs = 110kHz or 186kHz, unmodulated).
TDA7403
10/25
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