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128: Difference between revisions
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+120V DC, and unregulated +6.3V DC. Low voltage rectification is done by a | +120V DC, and unregulated +6.3V DC. Low voltage rectification is done by a | ||
[[selenium_rectifiers|selenium rectifier]]. Higher voltage rectification is done | [[selenium_rectifiers|selenium rectifier]]. Higher voltage rectification is done | ||
by a [[6X4]] tube. | by a [[6X4]] tube. The voltage reference for the +120V supply is produced by | ||
a [[5651]] tube. | |||
* [http://w140.com/tek_128.pdf Tektronix 128 Manual (PDF)] | * [http://w140.com/tek_128.pdf Tektronix 128 Manual (PDF)] | ||