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CXA1782CQ 参数 Datasheet PDF下载

CXA1782CQ图片预览
型号: CXA1782CQ
PDF下载: 下载PDF文件 查看货源
内容描述: 射频信号处理伺服放大器的CD播放器 [RF Signal Processing Servo Amplifier for CD players]
分类和应用: 放大器射频
文件页数/大小: 31 页 / 763 K
品牌: SONY [ SONY CORPORATION ]
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CXA1782CQ/CR  
Center Voltage Generation Circuit  
(Single voltage application; Connect to GND when it’s positive/negative dual power supplies.)  
Maximum current is approximately ±3mA. Output impedance is approximately 50.  
Vcc  
VC  
VC  
50  
48  
VEE  
APC Circuit  
When the laser diode is driven with constant current, the optical output possesses large negative temperature  
characteristics. Therefore, the current must be controlled with the monitor photo diode to ensure the output  
remains constant.  
Vcc  
LD  
33  
Vcc  
56k  
1k  
10µH  
PD  
34  
10k  
55k  
10k  
56k  
10k  
VREF  
1.25V  
VEE  
VEE  
VEE  
GND  
– 17 –