Oscilloscopio calibrato Tektronix TDS 3034 300 MHz 4CH DPO

It would be foolish not to. TDS3034 has 4 channels displaying in 4 colors: yellow for 1, blue for 2, magenta for 3. 2nd photo shows a 5Vpp 50Khz sine fed into all 4 channels. 7th shows a 6MHz 2.5Vpp sine into CH4.

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