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:070-2318-00.pdf|7B15 Instruction Manual]] (PDF, OCR)  
* [[Media:070-2319-00.pdf|7B15 Operator's Manual]] (OCR)
* [[Media:070-2319-00.pdf|7B15 Operators Manual]] (PDF, OCR)
* [[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==


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