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519: Difference between revisions
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The 519 contains a calibration step generator | The 519 contains a calibration step generator | ||
that produces voltage steps with 100 picosecond rise time. | that produces voltage steps with 100 picosecond rise time, and a rate generator that generates pulses with 500pS risetimes. The step generator utilizes a charged line which is discharged through a reed relay, while the rate generator uses a transistor in avalanche configuration. The reed relay in the step generator is tuned in part by listening to it. | ||
== Unusual Physical Construction == | == Unusual Physical Construction == | ||