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): 43/74頁(yè)
文件大小: 604K
代理商: TDA7514
43/74
TDA7514
Table 38. SUBADDRESS 22: Seek, ISS Adjacent Channel Detector
Table 39. SUBADDRESS 23: FM mixer1 adjust, FM AGC
MSB
D7
D6
D5
D4
MSB
D7
LSB
D0
FUNCTION
D6
D5
D4
D3
D2
D1
ISS adjacent channel detect. filter shape
Filt1
Filt2
HP
HP
BP
HP
BP
BP
BP
BP
ISS adjacent channel detect. filter gain
23 dB
29 dB
ISS adjacent channel detect. filter desens
threshold at weak field strength
0.25 V
0.8 V
1.3 V
1.8 V
ISS adjacent channel detect. filter desens
slope at weak field strength
min
-
-
max
Seek
FM
Seek OFF
-
Seek ON
ISS disable short
Fo
130
100
177
100
Q
2.3
7.7
2.0
8.4
0
0
1
1
0
1
0
1
0
1
0
0
1
1
0
1
0
1
0
0
1
1
0
1
0
1
AM AGC2 tau
-
0
1
LSB
D0
FUNCTION
D3
D2
D1
FM mixer1 phase adjust.
0
0
0
-
0
1
1
-
1
0
0
0
-
1
0
0
-
1
0
0
1
-
1
0
0
-
1
0
1
0
-
1
0
1
-
1
-7°
-6°
-5°
-
+1°
+2°
-
+8°
FM mixer1 gain adjust.
0
0
1
1
0
1
0
1
0%
-1%
1%
0%
FM NAGC threshold MSB (LSB in byte 26)
FM AGC topology
NAGC on, KAGC off
NAGC off, KAGC on
x
0
1
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