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321: Difference between revisions
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single-timebase portable oscilloscope | single-timebase portable oscilloscope | ||
that is almost completely solid state. | that is almost completely solid state. | ||
It was [[introduced in 1960]]. | |||
The 321 includes several germanium bipolar transistors, | The 321 includes several germanium bipolar transistors, | ||
which are a known reliability problem. | which are a known reliability problem. | ||