128: Difference between revisions

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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]]

@@ Line 1: / Line 1: @@
-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.
@@ Line 14: / Line 16: @@
 [[Category:Accessories]]
+[[Category:Introduced in 1958]]

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