chihhao
Full Member level 4
When I use oscilloscope probe to measure the crystal for oscillation frequency
measurement, it might lose the signal when you probe it due to large capacitace
on the probe. To solve this I use active probe (small capacitance) to measure the
waveform and oscillation frequency of crystal.
My question is, if I don't have active probe and I only have normal oscilloscope
probe in hand. How would I measure oscillation frequency of crystal ?
Should I series/parallel something between probe and crystal ?
And how to evaluate the value(maybe R,L,C) you would like to series/parallel ?
Thanks a lot
measurement, it might lose the signal when you probe it due to large capacitace
on the probe. To solve this I use active probe (small capacitance) to measure the
waveform and oscillation frequency of crystal.
My question is, if I don't have active probe and I only have normal oscilloscope
probe in hand. How would I measure oscillation frequency of crystal ?
Should I series/parallel something between probe and crystal ?
And how to evaluate the value(maybe R,L,C) you would like to series/parallel ?
Thanks a lot