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
文件頁數(shù): 33/54頁
文件大小: 830K
代理商: LA17000M
LA17000M
No. 6522-39/54
Continued from preceding page.
Pin No.
Function
Equivalent circuit
Description
63
FM mute on Adjust
64
RF AGC bypass
73
RF AGC
66
IF bypass
67
FM IF input
68
IF input
Input impedance 2 k
A13358
A13359
Continued on next page.
A13360
Vary the external resistor to adjust
the mute on level.
Be careful in regards to the GND
point for the limiter amplifier input C.
Ground C1 at a point that does not
increase AMR.
Inverter circuit
RF AGC rectification capacitor
The distortion in low-frequency
modulation is determined as follows.
C64, C73
→ Increase
Distortion
→ Good
Response
→ Slow
C64, C73
→ Decrease
Distortion
→ Worsens
Response
→ Fast
A13361
For AGC
Antenna
damping
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