105
The Tektronix 105 is a 25 Hz to 1 MHz square wave generator. It is all tube.
The 105 has a d'Arsonval meter on its front panel indicating the current frequency. The frequency meter works on the principle of moving a constant amount of charge per cycle, integrating this charge into a current, and measuring the current.
It was designed by Howard Vollum and Charles Sanford.
Key Specifications
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Manuals
Pictures
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105 front
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Early style of 105 with blocky meter
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manual
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powered on
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internal view, tube side
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right interior
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output section detail
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output waveform of 105
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Block diagram
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Power supply schematic
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Generator schematic
