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The Tektronix Type 127 is a power supply and preamplifier for two [[letter-series and 1-series plug-ins|letter-series or 1-series plug-ins]]. | The Tektronix Type 127 is a power supply and preamplifier for two [[letter-series and 1-series plug-ins|letter-series or 1-series plug-ins]]. The Type 127 was [[introduced in 1958]]. | ||
It is a rack-mount unit with a power supply that resembles the power supply of an early | It is a rack-mount unit with a power supply that resembles the power supply of an early | ||
[[500-series scopes|500-series oscilloscope]]: a 50/60Hz transformer, [[selenium rectifiers]], a single voltage reference tube controlling | [[500-series scopes|500-series oscilloscope]]: a 50/60Hz transformer, [[selenium rectifiers]], a single voltage reference tube controlling | ||
Revision as of 22:31, 16 December 2011
The Tektronix Type 127 is a power supply and preamplifier for two letter-series or 1-series plug-ins. The Type 127 was introduced in 1958. It is a rack-mount unit with a power supply that resembles the power supply of an early 500-series oscilloscope: a 50/60Hz transformer, selenium rectifiers, a single voltage reference tube controlling all output voltages, and 6080 pass tubes for the regulated outputs. The 127 contains a fully differential DC-coupled 15MHz amplifier for each channel with cathode follower outputs on the front and rear panels. The manual is on [BAMA].