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7403N: Difference between revisions
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The '''Tektronix 7403N''' is a 65 MHz oscilloscope mainframe that takes two 7000-series vertical plug-ins | The '''Tektronix 7403N''' is a 65 MHz oscilloscope mainframe that takes two 7000-series vertical plug-ins | ||
and one 7000-series horizontal plug-in. It has a large | and one 7000-series horizontal plug-in. It has a large CRT (8 × 10 divisions @ 1.22 cm each, [[154-0640-00|154-0640-xx]] or [[154-0672-00|154-0672-xx]] tubes). There is no readout system. | ||
The 7403N consumes a maximum of 130 watts and uses convection cooling, no fan. The power supply is | The 7403N was discontinued around 1975, having been superseded largely by the popular [[7603]] introduced in 1973. | ||
a linear design, similar to that of the [[7313]] | {{MissingSpecs}} | ||
The 7403N consumes a maximum of 130 watts and uses convection cooling, no fan. It weighs 30 pounds. | |||
==Internals== | |||
The power supply is a linear design, similar to that of the [[7313]]. The vertical and | |||
horizontal amplifiers are made of discrete bipolar transistors. The only integrated circuit in | horizontal amplifiers are made of discrete bipolar transistors. The only integrated circuit in | ||
the vertical signal path is U214, the vertical channel switch, a [[155-0022-00]]. | the vertical signal path is U214, the vertical channel switch, a [[155-0022-00]]. | ||
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<gallery> | <gallery> | ||
File:Tek 7403n 1.jpg | |||
File:Tek 7403n 2.jpg | |||
File:Tek 7403n 3.jpg | |||
</gallery> | </gallery> | ||
[[Category:Specifications needed]] | [[Category:Specifications needed]] | ||
[[Category:7000 series non-storage mainframes]] | [[Category:7000 series non-storage mainframes]] | ||