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7934: Difference between revisions
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{{Oscilloscope Sidebar| | |||
title=Tektronix 7934| | |||
image=Image needed.jpg| | |||
caption=Tektronix 7934| | |||
years=1987 — 1990| | |||
summary=500 MHz non-storage mainframe| | |||
manuals= | |||
* [http://bama.edebris.com/download/tek/7934/tek-7934.pdf Tektronix 7934 Manual (PDF)] | |||
}} | |||
Amplifiers are normally installed in the two vertical bays to provide vertical beam deflection, | The 7934 is a 500MHz [[CRT storage scope]] multi-mode storage mainframe that accepts two [[7000-series_plug-ins#Vertical plug-ins|7000-series vertical plug-ins]] and two [[7000-series_plug-ins#Horizontal plug-ins|7000-series horizontal plug-ins]]. | ||
and time-bases in the two horizontal bays to provide horizontal beam deflection. | |||
Amplifiers may be installed in horizontal slots for X-Y operation, and time-bases | Amplifiers are normally installed in the two vertical bays to provide vertical beam deflection, and time-bases in the two horizontal bays to provide horizontal beam deflection. | ||
in vertical slots to provide a raster display. | |||
Two-bay modules are typically installed in the middle two bays, | Amplifiers may be installed in horizontal slots for X-Y operation, and time-bases in vertical slots to provide a raster display. | ||
which enables them to provide both vertical and horizontal deflection of the beam, | |||
while three-bay modules are typically installed in the three left-most bays | Two-bay modules are typically installed in the middle two bays, which enables them to provide both vertical and horizontal deflection of the beam, while three-bay modules are typically installed in the three left-most bays | ||
(two vertical and one horizontal slot) to maintain compatibility with three-bay mainframes. | (two vertical and one horizontal slot) to maintain compatibility with three-bay mainframes. | ||
The 7934 makes extensive use of custom integrated circuits and hybrid circuits. | The 7934 makes extensive use of custom integrated circuits and hybrid circuits. With the exception of the on-screen readout circuit, the signal path is completely differential and all of the internal wiring is 50-ohm coax. | ||
With the exception of the on-screen readout circuit, the signal path is completely | |||
differential and all of the internal wiring is 50-ohm coax. | |||
Many orthogonal modes of operation are available on the 7934, which control the vertical mode, | Many orthogonal modes of operation are available on the 7934, which control the vertical mode, | ||
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by dual-channel plug-ins to switch between the plug-in's channels when ''the plug-in'' is set to alt or chop mode. | by dual-channel plug-ins to switch between the plug-in's channels when ''the plug-in'' is set to alt or chop mode. | ||
Both horizontal compartments are triggerable from either ''vertical'' compartment, through an internal signal path. | Both horizontal compartments are triggerable from either ''vertical'' compartment, through an internal signal path. Amplifier plug-ins with two channels provide a switch to select which channel will be given to the mainframe for routing to the triggers. | ||
Amplifier plug-ins with two channels provide a switch to select which channel will be given to the mainframe for routing to the triggers. | |||
The horizontal modes (A/B/alt/chop) allow the horizontal deflection to be controlled by either the A or B compartment only, | The horizontal modes (A/B/alt/chop) allow the horizontal deflection to be controlled by either the A or B compartment only, or by both, on a time-sharing basis. The mainframe also provides hold-off signals between the two horizontal, which allows a delaying time-base in the A compartment to trigger a delayed time-base in the B compartment. Both the delaying and delayed timebases can be displayed on the screen at once by selecting the chop horizontal mode. | ||
or by both, on a time-sharing basis. The mainframe also provides hold-off signals between the two horizontal, | |||
which allows a delaying time-base in the A compartment to trigger a delayed time-base in the B compartment. | |||
Both the delaying and delayed timebases can be displayed on the screen at once by selecting the chop horizontal mode. | |||
Connectors on the rear of the mainframe provide a sample of either the A or B compartment's output | Connectors on the rear of the mainframe provide a sample of either the A or B compartment's output as well as either compartment's internal trigger signal. Only one connector is available for each function, and the compartment is selected by jumpers on a circuit board near the rear of the case. | ||
as well as either compartment's internal trigger signal. Only one connector is available for each function, | |||
and the compartment is selected by jumpers on a circuit board near the rear of the case. | |||
Dennis Tillman wrote: | Dennis Tillman wrote: | ||
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* timed auto-erase | * timed auto-erase | ||
== | ==Links== | ||
* http://www.barrytech.com/tektronix/tek7000/tek7934.html | |||
==Pictures== | ==Pictures== | ||
<gallery> | |||
</gallery> | |||
[[Category:7000 series storage mainframes]] | [[Category:7000 series storage mainframes]] | ||