Tektronix tpp0051 50mhz 10x passive probe tektronix tpp0051 p the tektronix tpp0051 10x is a high impedance passive probe with 10x attenuation that is designed for use with the following tektronix oscilloscopes p p tbs1000b and tbs1000b edu oscilloscopes which have 20pf of input capacitance p tektronix tpp0051 oscilloscope probe scoop proof 50 mhz 10 1