參數(shù)資料
型號(hào): TDA7540NTR
廠商: STMICROELECTRONICS
元件分類: 調(diào)諧器
英文描述: 2-BAND, AUDIO TUNER, PQFP80
封裝: 14 X 14 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-80
文件頁數(shù): 49/76頁
文件大?。?/td> 1225K
代理商: TDA7540NTR
TDA7540N
Software specification
0
KAGC threshold 80dBV
0
1
KAGC threshold 82dBV
0
1
0
KAGC threshold 84dBV
0
1
KAGC threshold 86dBV
1
0
KAGC threshold 88dBV
1
0
1
KAGC threshold 90dBV
1
0
KAGC threshold 92dBV
111
Keying AGC “OFF”
0RF KAGC“0FF”
1RF KAGC“0N”
Table 27.
Addr 15 FM AGC
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
Table 28.
Addr 16 AM AGC
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0000
not valid
0001
not valid
0010
WAGC V4TH= 97dB V71TH= 96.5dB
0011
WAGC V4TH= 98.5dB V71TH= 98.5dB
0100
WAGC V4TH= 100dB V71TH= 100dB
0101
WAGC V4TH= 101.5dB V71TH= 101dB
0110
WAGC V4TH= 102.5dB V71TH= 102.5dB
0111
WAGC V4TH= 103.5dB V71TH= 103.5dB
1000
WAGC V4TH= 104.5dB V71TH= 104dB
1001
WAGC V4TH= 105dB V71TH= 105dB
1010
WAGC V4TH= 106dB V71TH= 105.5dB
1011
WAGC V4TH= 106.5dB V71TH= 106.5dB
1100
WAGC V4TH= 107dB V71TH= 107dB
1101
WAGC V4TH= 108dB V71TH= 107.5dB
1110
WAGC V4TH= 108.5dB V71TH= 108dB
1111
WAGC V4TH= 109dB V71TH= 108.5dB
000
0
DAGC V71TH= 74dB
000
1
DAGC V71TH= 77dB
001
0
DAGC V71TH= 79dB
001
1
DAGC V71TH= 80.5dB
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