參數(shù)資料
型號(hào): LA1781M
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
封裝: 14 X 14 MM, QIP-64
文件頁(yè)數(shù): 38/48頁(yè)
文件大?。?/td> 508K
代理商: LA1781M
LA1781M
No.6038-43/48
Sample AM tuner Circuit with the LC72144 Used Together
AM 1st IF
Step
FM IF
1
fOSC 10.25NHz
10.7MHz
10kHz, 11kHz
10.7MHz
2
fOSC 10.35NHz
10.8MHz
9kHz, 10kHz
10.8MHz
RF
CF
1st IF
2nd MIX
450K
300
Ω
IF
LC72144
XBUFF
fosc
RF
CF
1st MIX
10.71MHz
2nd OSC
1st OSC
IF
10.26MHz
62
10k
Ω
AF
RF
CF
QUADRATURE
DETECTOR
10.7MHz
IF
NC
MPX
Rch
Lch
59
56
53
49
54
52
31
60
63
64
60
56
53
51
59
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