213

The 213 Portable Oscilloscope combines a 3 1/2-digit DMM and 1MHz scope in one unit. Sweep rate of 0.4 microsec/div with x10 sweep magnifier. True RMS voltage and current measurements. Battery or AC line powered.

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  Attenuator and Input Amplifier Schematic

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  GM and RMS Converter Schematic

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  Battery Charger and Power Supply Schematic

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  HV and CRT Schematic

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  A-D Converter and Character Generator Schematic