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This contains the important documentation for the AMR ( Automatic Meter design)
this is the document detailing the energy meter features and terms
How to detect Battery voltage in DragonBall SZ platform
Electronic curcuit for Data Logging Receiver Supply Voltage Monitor
The LM393/393A consist of two independent precisionvoltage comparators with a typical offset voltage
High Voltage Isolated/Non-Isolated Power Supply Reference Designs:
资料->【E】光盘论文->【E5】英文书籍->Low-Voltage CMOS Log Companding Analog Design (英).pdf
资料->【E】光盘论文->【E5】英文书籍->Low-Voltage Low-Power CMOS Current Conveyors (英).pdf
LC meter using a 89c2051 micro chip, easy to do,nice function.
The use of 24 ad measuring voltage converter chip AD7714