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參數(shù)資料
| 型號： | TUA4401 |
| 英文描述： | FM Receiver Circuit |
| 中文描述： | 調頻接收機電路 |
| 文件頁數(shù)： | 22/32頁 |
| 文件大?。?/td> | 832K |
| 代理商： | TUA4401 |
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Specification
TUA 4401
Semiconductor Group
23
1.6.99
Subaddress 03H, Mute_DAC7
Subaddress 05H, IF_Count_P2,
Centerfrequency = CF, CF
step
= 6.25kHz / 12.5kHz)
MSB
MSB
LSB
Function
LSB
Function
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
1
Mute_DAC7 enabled
1
Centerfequency CF1
0
x
x
x
x
x
x
x
Mute_DAC7 disabled,
full mute
0
Centerfequency CF0
1
1
1
1
1
1
1
1
Mute_DAC full scale
mute off
1
1
1
1
1
1
1
1
CF1= 22.3875 MHz
typical attenuation
0
1
1
1
1
1
1
1
CF0= 11.1937 MHz
1
1
1
1
0
0
0
1
Mute -5 dB
1
1
1
0
1
0
0
1
Mute - 10 dB
1
1
0
0
0
0
0
0
CF1= 22.600 MHz
1
1
1
0
0
0
1
0
Mute - 15 dB
0
1
0
0
0
0
0
0
CF0= 10.800 MHz
1
1
0
1
1
0
1
1
Mute - 20 dB
1
1
0
1
0
0
1
1
Mute - 25 dB
1
0
1
1
0
0
0
1
CF1= 21.4125 MHz
1
1
0
0
1
1
0
0
Mute - 30 dB
0
0
1
1
0
0
0
1
CF0= 10.70625 MHz
1
1
0
0
0
1
0
0
Mute - 35 dB
1
0
1
1
0
0
0
0
CF1= 21.400 MHz
1
0
1
1
1
1
0
1
Mute - 40 dB
0
0
1
1
0
0
0
0
CF0= 10.700 MHz
1
0
1
0
1
1
1
1
CF1= 21.3875 MHz
1
0
0
1
0
0
0
0
Full mute
0
0
1
0
1
1
1
1
CF0= 10.69375 MHz
1
0
0
1
0
0
0
0
Full mute
1
0
0
1
0
0
0
0
Full mute
1
0
1
0
0
0
0
0
CF1= 21.200 MHz
0
0
1
0
0
0
0
0
CF0= 10.600 MHz
Subaddress 04H, IF_Count_P1
MSB
LSB
Function
1
0
0
1
0
0
0
0
CF1= 21.000 MHz
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
1
0
0
0
0
CF0= 10.500 MHz
1
IF_Count enabled
0
IF_Count disabled
1
0
0
0
0
0
0
0
CF1= 20.800 MHz
0
not used (must be=0)
0
0
0
0
0
0
0
0
CF0= 10.400 MHz
1
0
0
Window=+/-100kHz*
0
1
1
Window=+/-50kHz*
Centerfrequencies for
0
1
0
Window=+/-25kHz*
D7=1
CF1= 20.800 MHz +n*12.5 kHz, CF
Step
=12.5kHz
CF0= 10.400 MHz +n*6.25 kHz, CF
Step
=12.5kHz
n=0...127
0
0
1
Window=+/-12.5kHz*
D7=0
0
0
0
Window=+/-6.25kHz*
1
1
1
Gatetime= 40.96ms
1
1
0
Gatetime= 20.48ms
1
0
1
Gatetime= 10.24ms
1
0
0
Gatetime= 5.12ms
0
1
1
Gatetime= 2.56ms
0
1
0
Gatetime= 1.28ms
0
0
1
Gatetime= 640us
0
0
0
Gatetime= 320us
* Valid for D7= 0 in subaddress 05H
Multiply window value with 2 for D7= 1 in subaddress 05H
(e. g.
D7= 0
Window =+/- 6.25 kHz
D7= 1
Window =+/- 12.5 kHz)
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