參數(shù)資料
型號(hào): LA17000M
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80
封裝: 14 X 14 MM, QFP-80
文件頁(yè)數(shù): 27/54頁(yè)
文件大小: 830K
代理商: LA17000M
LA17000M
No. 6522-33/54
Continued from preceding page.
Pin No.
Function
Equivalent circuit
Description
37
VCO
Oscillation frequency: 912 kHz.
Murata CSB912JF108
40
PHASE COMP.
41
PHASE COMP.
38
IF count buffer
SEEK/STOP switch
A13338
A13339
A13340
Continued on next page.
Forced
SD 2.5V
Shared pin for the IF count buffer (AC
output) and SEEK/STOP switch (DC
input).
V38 switches among three modes
according to the following voltages.
For FM:
5 V: SEEK mode
2.5 V: Forced SD mode, RDS mode
0 V: Reception mode
For AM (two modes: 0 and 5V)
5 V: SEEK mode
0 V: Reception mode
*When interference from an adjacent
FM frequency is detected:
2.5 V: Use RDS mode.
SD circuit
IF count buffer
SEEK
5V
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