參數(shù)資料
型號(hào): TDA7405
廠商: 意法半導(dǎo)體
英文描述: EQUALIZER CARRADIO SIGNAL PROCESSOR
中文描述: 均衡器CARRADIO信號(hào)處理器
文件頁(yè)數(shù): 30/56頁(yè)
文件大?。?/td> 815K
代理商: TDA7405
TDA7405
30/56
MULTIPATH DETECTOR
Features:
I
internal 19kHz band-pass filter
I
programmable band-pass- and rectifier-gain
I
selectable internal influence on Stereoblend and/or Highcut
4
FUNCTIONAL DESCRIPTION OF STEREODECODER
Figure 25. Blockdiagram of the Stereodecoder
Table 5. ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
f
CMP
Center frequency of Multipath-
Bandpass
stereodecoder locked on Pilottone
19
kHz
G
BPMP
Bandpass Gain
G1
6
dB
G2
12
dB
G3
16
dB
G4
18
dB
G
RECTMP
Rectifier Gain
G1
7.6
dB
G2
4.6
dB
G3
0
dB
I
CHMP
Rectifier Charge Current
0.25
0.5
μA
I
DISMP
Rectifier Discharge Current
4
mA
Quality Detector
A
Multipath
Influence Factor
00
01
10
11
0.70
0.85
1.00
1.15
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