107: Difference between revisions
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*http://w140.com/kurt/tek_107.pdf | *http://w140.com/kurt/tek_107.pdf | ||
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Revision as of 20:42, 7 February 2011
The Tektronix 107 is a squarewave generator. It was intended to be used for calibration of oscilloscopes. It is designed to provide a clean waveform with fast edges and flat tops. The signal starts with an astable multivibrator composed of both halves of a 6BQ7A dual triode tube. The multivibrator circuit is cathode coupled to a pulse shaping circuit, and then to an output stage made from a single 6AU6 tube with a 50-ohm plate load, providing a controlled 50-ohm output impedance. The 50-ohm plate load keeps the voltage gain of output stage low, and the bandwidth high.
The manual is here:
