參數(shù)資料
型號(hào)： LA1780M
元件分類： 調(diào)諧器
英文描述： 2-BAND, AUDIO TUNER, PQFP64
封裝： QFP-64
文件頁(yè)數(shù)： 37/38頁(yè)
文件大?。?/td> 764K
代理商： LA1780M
No. 5724-8/38
LA1780M
Pin No.
Function
Description
Equivalent circuit
13
Pilot input
Pin 13 is the PLL circuit input pin.
14
N.C, MPX, MRC, GND
Ground for the N.C., MPX, and
MRC circuits.
After setting up the medium field
(about 50 dB) sensitivity with the
8
Noise AGC sensitivity
noise sensitivity setting pin (pin 8),
9
AGC adjustment
set the weak field (about 20 to
30 dB) sensitivity with the AGC
adjustment pin (pin 9)
11
Memory circuit connection
Recording circuit used during
12
Memory circuit connection
noise canceller operation.
Continued from preceding page.
Continued on next page.
Differential
amp
Gate
circuit
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