参数资料
型号: LA1780M
元件分类: 调谐器
英文描述: 2-BAND, AUDIO TUNER, PQFP64
封装: QFP-64
文件页数: 15/38页
文件大小: 764K
代理商: LA1780M
AM mode
Pin 55: AM SD Adjustment Pin
No. 5724-22/38
LA1780M
Pins that support AM stereo
To attenuate the pin 39 AC level:
Add a capacitor between pin 39 and ground.
For example, if a capacitor is added between pin 39 and ground, and pin 51 is attached, the AM IF output will be
reduced by about 6 dB.
S-meter
Larger
R55
Smaller R35
Keyed
AGC
To an AM
stereo decoder
400-mV rms
450-kHz output
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