參數(shù)資料
型號: TDA7512
廠商: STMICROELECTRONICS
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
封裝: TQFP-64
文件頁數(shù): 27/43頁
文件大?。?/td> 833K
代理商: TDA7512
33/42
TDA7512
2.3.17 Addr 17 FM Demodulator Fine Adjust
2.3.18 Addr 18 S-Meter Slider
Table 25.
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
000
00
0mV
0
1
+8.5mV
0
000
10
+17mV
-
----
-
0
1
+263.5mV
1
000
00
0mV
1
0
1
-8.5mV
1
000
10
-17mV
-
----
-
1
-263.5mV
0
Spike cancelation ”O(jiān)FF”
0
1
Threshold for spike cancelation 270mV
1
0
Threshold for spike cancelation 520mV
1
Threshold for spike cancelation 750mV
Table 26.
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
S meter slider offset SL=0dB
0
1
S meter offset SL=1dB
0
1
0
S meter offset SL=2dB
---
-
1
S meter offset SL=15dB
0
S meter offset -SL
1
S meter offset +SL
0
S Meter slope 1V/decade
1
S meter slope 1.5V/decade
0
Select external AM-IF input
1
Select internal AM-IF input
0
Overdeviation correction “ON”
1
Overdeviation correction “OFF”
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