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The Tektronix Type D is a plug-in for [[500-series scopes]]. | The Tektronix Type D is a plug-in for [[500-series scopes]]. | ||
It has high gain, and the bandwidth depends on the gain, | |||
ranging from 2MHz at 50mV/div and up, to 300kHz at 1mV/div. | |||
It displays the difference between two input signals, | |||
with a common-mode rejection ratio of 10,000. It has | |||
six tubes, on a shock-mounted subchassis to avoid | |||
microphonics. | |||
Type D was introduced with the [[531]] and [[535]] in 1954 as Type 53D, | |||
was briefly renamed Type 53D/54D in 1955 with the introduction | |||
of the [[541]] and [[545], then quickly renamed Type 53/54D, | |||
then shortened to Type D in 1959 with the introduction of | |||
the 5xxA scopes. | |||
* http://bama.edebris.com/manuals/tek/d/ | * http://bama.edebris.com/manuals/tek/d/ | ||
* http://w140.com/tek_fcp/tek_type_d_factory_cal_proc.pdf | * http://w140.com/tek_fcp/tek_type_d_factory_cal_proc.pdf | ||