127: Difference between revisions

31 bytes added ,  18 May 2009
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The Tektronix Type 127 is a power supply and preamplifier for two 1-series or letter-series
The Tektronix Type 127 is a power supply and preamplifier for two 1-series or letter-series
plug-ins.  It is a rack-mount unit with a power supply that resembles the power supply of a
plug-ins.  It is a rack-mount unit with a power supply that resembles the power supply of a
500-series oscilloscope: a 50/60Hz transformer, a single voltage reference tube controlling  
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  
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
fully differential DC-coupled 15MHz amplifier for each channel with cathode follower outputs
on the front panel.
on the front and rear panels.