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7B15: Difference between revisions
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|designers=Art Metz;Bruce Hofer;Val Garuts | |designers=Art Metz;Bruce Hofer;Val Garuts | ||
|manuals= | |manuals= | ||
* [[Media:070- | * [[Media:070-2319-00.pdf|7B15 Operator's Manual]] (OCR) | ||
* [[Media:070- | * [[Media:070-2318-00.pdf|7B15 Instruction Manual]] (OCR) | ||
}} | }} | ||
The '''Tektronix 7B15''' is a 1 GHz delaying time base for [[7000-series scopes]], in particular, the 1 GHz [[7104]] (typically used with [[7A29]] vertical amplifiers and a [[7B10]] delayed time base). | The '''Tektronix 7B15''' is a 1 GHz delaying time base for [[7000-series scopes]], in particular, the 1 GHz [[7104]] (typically used with [[7A29]] vertical amplifiers and a [[7B10]] delayed time base). | ||
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==Internals== | ==Internals== | ||
A ramp generator is started when the trigger signal arrives. The delayed sweep is started when a | A ramp generator is started when the trigger signal arrives. | ||
comparator detects that the ramp has reached a control voltage, set by the front panel knobs. | The delayed sweep is started when a comparator detects that the ramp has reached a control voltage, set by the front panel knobs. | ||
The control voltage is therefore proportional to the amount of delay and is measured using a | The control voltage is therefore proportional to the amount of delay and is measured using a [[155-0185-00]] 4-digit DVM circuit, | ||
[[155-0185-00]] 4-digit DVM circuit, then displayed on the [[7000 series readout system|oscilloscope readout]]. | then displayed on the [[7000 series readout system|oscilloscope readout]]. | ||
The display, scaled in seconds, provides the operator with a precise readout of the delay. | The display, scaled in seconds, provides the operator with a precise readout of the delay. | ||
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The 7B15 uses the +50 V supply provided by the mainframe. | The 7B15 uses the +50 V supply provided by the mainframe. | ||
==Pictures== | ==Pictures== | ||