128: Difference between revisions

128 (view source)

43 bytes added , 31 August 2014

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-The Tektronix Type 128 is a power supply for Type [[P500CF]] cathode-follower probes.
+The '''Tektronix Type 128''' is a power supply for Type [[P500CF]] cathode-follower probes.
-It was [[introduced in 1958]].  It provides two voltages to the probe: regulated
+It was [[introduced in 1958]].
-+120V DC, and unregulated +6.3V DC.  Low voltage rectification is done by a
+It provides two voltages to the probe: regulated
++120 V DC, and unregulated +6.3 V DC.  Low voltage rectification is done by a
 [[selenium_rectifiers|selenium rectifier]].  Higher voltage rectification is done
-by a [[6X4]] tube.  The voltage reference for the +120V supply is produced by
+by a [[6X4]] tube.  The voltage reference for the +120 V supply is produced by
 a [[5651]] tube.
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 [[Category:Accessories]]
+[[Category:Introduced in 1958]]