Tektronix TDS7254B oscilloscope 4-channel self-calibration problem
CH1 1.001Kz 726mV
CH2 1.001Kz 465mV
CH3 1.001Kz 485mV
CH4 1.001Kz 817mV
Why is the voltage deviation between CH1 and CH4 so large whe...
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