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The last digit of the model number indicated the number of plug in slots the mainframe had. The 7844 ($12,665 in 1983) was a dual-beam 400-MHz BW oscilloscope. The series also included some storage scopes: 7613 (variable persistence, $5,025 in 1983), 7623, 7633 (100-MHz BW, $7,765), and 7834 (400-MHz BW, $11,705).
This oscilloscope—refined and developed by Tektronix—was the model 511 produced from 1947 to 1953. [5] The model 511 was a triggered-sweep oscilloscope. The first oscilloscope with a true time-base was the Tektronix Model 513. [6] The leading oscilloscope manufacturer at the time was DuMont Laboratories.
A capacitor voltage transformer (CVT), is a transformer used in power systems to step down extra high voltage signals and provide a low voltage signal to the actual VT (voltage transformer) used for operating metering/protective relays due to a lower cost than an electromagnetic PT. The circuit diagram for a simple capacitor voltage transformer
Planar Systems, Inc. is an American digital display manufacturing corporation with a facility in Hillsboro, Oregon.Founded in 1983 as a spin-off from Tektronix, it was the first U.S. manufacturer of electroluminescent (EL) digital displays.
The S-MP was a SPARC-based multiprocessor server (based on the Model 500); the MCP a matrix co-processor array based on eighty-four Intel i860 processors. After Cray purchased FPS, it changed the group's direction by making them Cray Research Superservers, Inc. , later becoming the Cray Business Systems Division (Cray BSD).
This style of transformer gives an extremely wide bandwidth but only a limited number of impedance ratios (such as 1:1, 1:4, or 1:9) can be achieved with this technique. Choke transformers are sometimes called transmission-line transformers (although see below for a different transformer type with the same name ), or Guanella transformers , or ...
A Scott-T transformer or Scott connection is a type of circuit used to produce two-phase electric power (2 φ, 90 degree phase rotation) [1] from a three-phase (3 φ, 120 degree phase rotation) source, or vice versa. The Scott connection evenly distributes a balanced load between the phases of the source.
The Xerox Phaser 7700 Series of color laser printers use the VxWorks Operating System on its 20GB PATA IDE Hard Drive.. The 7700 Series is a wide format duplex-capable laser printer capable of printing up to 12x18 page sizes.