Tektronix thdp0200 high voltage differential probe tektronix thdp0200 p the tektronix thdp0200 is a high voltage differential probe that is capable of safely measuring differential voltages up to plusmn 1500v the probe is effective in making measurements in igbt circuits such as motor drives and power converters the thdp0200 supports bandwidths up to 200mhz and slew rates up to 275v ns at 1 250 gain p p the probe has a low attenuation range and offers better signal to noise ratio p