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Attenuators have no DC trim, so their CMRR is poor
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Vintage dave (talk | contribs) (Attenuators have no DC trim, so their CMRR is poor) |
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Unlike later comparators, Type Z has separate step attenuators for each input, | Unlike later comparators, Type Z has separate step attenuators for each input, | ||
permitting the user to view the difference between signals of widely differing amplitudes. | permitting the user to view the difference between signals of widely differing amplitudes. | ||
Unfortunately the divider resistors are fixed, so CMRR is poor except at 50mV/div. | |||
It is also the only comparator that can handle ±100 V common mode at full sensitivity. | It is also the only comparator that can handle ±100 V common mode at full sensitivity. | ||