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* [http://bama.edebris.com/download/tek/7934/tek-7934.pdf Tektronix 7934 Manual (PDF)]
* [http://bama.edebris.com/download/tek/7934/tek-7934.pdf Tektronix 7934 Manual (PDF)]
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The '''Tektronix 7934''' is a 500 MHz [[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]].
The '''Tektronix 7934''' is a 500 MHz [[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]].


It is the fastest analog storage oscilloscope ever built with 500 MHz of bandwidth, surpassing the 400 MHz [[7834]].
It is the fastest analog storage oscilloscope ever built with 500 MHz of bandwidth, surpassing the 400 MHz [[7834]].


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.   
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.   


Amplifiers may be installed in horizontal slots for X-Y operation, and time-bases in vertical slots to provide a raster display.   
Amplifiers may be installed in horizontal slots for X-Y operation, and time-bases in vertical slots to provide a raster display.   


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-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. With the exception of the on-screen readout circuit, the signal path is completely differential and all of the internal wiring is 50 Ω coax.  
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 Ω 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. Amplifier plug-ins with two channels provide a switch to select which channel will be given to the mainframe for routing to the triggers.   
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.   


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.
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.


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.
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.


Dennis Tillman wrote:
Dennis Tillman wrote:

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