An "improved" inductance / capacitance meter Actually, it works much the same as the originalIt differs from the original in that: A 16F628 PIC is used. This has internal comparator, which means the LM311 is no longer needed.Software calibratio

Capacitor meter range 1pf to 1000 uf

zl电感电容电解电容测量仪电路原理图pcb-zl electrolytic capacitor meter LC circuit diagram pcb

采用DDS芯片AD9850产生高精度的正弦波信号流经待测的电容或者电感和标准电阻的串连电路,通过测量电容或者电感和标准电阻各自的电压,利用电压比例计算的方法推算出电容值或者电感值.-high precision instrument for measurement capacitor and inductance based on DDS chip