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7904: Difference between revisions
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caption=Tektronix 7904A| | caption=Tektronix 7904A| | ||
years=1974 — 1992| | years=1974 — 1992| | ||
summary= | summary=500 MHz non-storage mainframe| | ||
manuals= | manuals= | ||
* [http://bama.edebris.com/download/tek/7904/Tektronix_7904_Service_May1983.pdf Tektronix 7904 Manual (PDF)] | * [http://bama.edebris.com/download/tek/7904/Tektronix_7904_Service_May1983.pdf Tektronix 7904 Manual (PDF)] | ||
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* [http://w140.com/Tek_7904_Power_Supply.pdf Servicing the 7904 High-Efficiency Power Supply (PDF)] | * [http://w140.com/Tek_7904_Power_Supply.pdf Servicing the 7904 High-Efficiency Power Supply (PDF)] | ||
}} | }} | ||
The 7904 is a | The 7904 is a 500 MHz mainframe with four bays. It 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]]. | ||
Performance is largely determined by the plug-ins. The 7904 makes extensive use of custom integrated circuits and hybrid circuits. The signal path is completely differential and all of the internal wiring is 50-ohm coax. | Performance is largely determined by the plug-ins. The 7904 makes extensive use of custom integrated circuits and hybrid circuits. The signal path is completely differential and all of the internal wiring is 50-ohm coax. | ||