參數(shù)資料
型號(hào): TDA7514
廠商: 意法半導(dǎo)體
英文描述: SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR
中文描述: 單芯片F(xiàn)M /調(diào)幅調(diào)諧立體聲解碼器和音頻處理器
文件頁(yè)數(shù): 38/74頁(yè)
文件大?。?/td> 604K
代理商: TDA7514
TDA7514
38/74
Table 30. SUBADDRESS 15: Quality detection: gain and offset on FSmeter (SNC), multipath
detector rectifier gain
MSB
D7
D6
D5
D4
D3
D2
Table 31. SUBADDRESS 16: Quality Detection: Adjacent channel detector, HCC source, Quality
fast test, Quality AF check, ISS filter test
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
LSB
D0
FUNCTION
D1
FSmeter gain (SNC)
0
-
1
0
-
1
0
-
1
0
-
1
0 dB
(step = 0.15)
2.25 dB
FSmeter offset (SNC)
1.8 V
2.4 V
Multipath detector rectifier gain
5 dB
(step = 1.2dB)
+13.4 dB
0
1
0
-
1
0
-
1
0
-
1
FUNCTION
Qual adjacent channel detector rectifier gain
12 dB
17.3 dB
18.4 dB
20 dB
High cut control source
SNC
FSmeter
Quality filters fast test mode
Test mode off
Test mode on
filt Smeter tau = 100 us
SNC filt internal 22 pF
Quality filters AF check freeze mode
AF check off
AF check on
filt Smeter tau = 100 us
60ms/1s Smeter filt freeze
MPath filt for StBlend freeze
USN filt for StBlend/AdjChMute freeze
Smeter filter time constant
1 s
10 ms
ISS filter test
ISS filter input
std
filter in connected to Smeter test MUXer
ISS filter clock enable
clock off (test mode)
clock on (std)
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
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