106

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Tek 106 front2.jpg

The Tektronix Type 106 is a square-wave generator introduced in 1966. It has four outputs:

  • Fast Rise +Output: 500 mV into 50 Ω load, positive-going pulse, 1 ns rise time, 50 Ω output impedance, GR-874 connector
  • Fast Rise -Output: 500 mV into 50 Ω load, negative-going pulse, 1 ns rise time, 50 Ω output impedance, GR-874 connector
  • High Amplitude Output: 12 V into 50 Ω load, 12 ns rise time, 600 Ω output impedance, GR-874 connector
  • Trigger Output: 100 mV into 50 Ω load, 50 ns rise time, 150 Ω output impedance, BNC connector

The 1 ns rise-time outputs are generated using diodes to clip a high amplitude signal. In units with serial numbers less than 1190, GaAs diodes were used for clipping. After serial number 1190, silicon diodes were used.

The high amplitude output stage of the 106 is made of four 7189A tubes in parallel. With moderate effort, the socket wiring can be made compatible with the 7189 aka 6BQ5.

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