Calibrator  Electronic Load  Electronics  Etc.  Multimeter  Oscilloscope  Power Supply  Probe  RF  Thermometer  V/A/W/F Meter ��� ����� �Դϴ� �ߺз� �Һз� ����Ŀ �𵨸�  Oscilloscope  Two Channel Digitizing Oscilloscope  Tektronix  TDS 520A [1] 2