参数资料
型号: LA1776M
元件分类: 调谐器
英文描述: 2-BAND, AUDIO TUNER, PQFP64
封装: 14 X 14 MM, QFP-64
文件页数: 10/41页
文件大小: 547K
代理商: LA1776M
Pin No.
Pin
Description
Equivalent circuit
No.8085-18/41
LA1776M
Continued on next page.
Continued from preceding page.
44
soft mute
100 k
MUTE
2.7 V
30 k
44
FM muting on level
adjust
Modify the value of the external resistor to adjust the
muting on level.
48
DET
45
VCC
3.3
F
C
3.3 k
3.3 k
300 k
TR1
10
500
SEEK
ON
IF
AGC
+
45
IF AGC
TR1: Seek mode time constant switching diode
Discharge diode
Reception
τ = 3.3 F × 300 k
Seek
τ = 3.3 F × 10
The external capacitors are connected to VCC.
This is because the IF amplifier operates referenced
to VCC.
46
DET
40 pin VCC
46
IF output
The IF amplifier load
相关PDF资料
PDF描述
LA1776M 2-BAND, AUDIO TUNER, PQFP64
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