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non-concentric gain vernier
Vintage dave (talk | contribs) (add specs and history) |
Vintage dave (talk | contribs) m (non-concentric gain vernier) |
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The Tektronix Type G is a plug-in differential amplifier for [[500-series scopes]]. | The Tektronix Type G is a plug-in differential amplifier for [[500-series scopes]]. | ||
Unlike | Unlike Type D, Type G is optimized for RF, achieving only a 100 to 1 common-mode | ||
rejection ratio but operating all the way to 20MHz. Its maximum sensitivity is 50mV/div. | rejection ratio but operating all the way to 20MHz. Its maximum sensitivity is 50mV/div. | ||
It has seven tubes. | It has seven tubes. | ||
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performance in a fast mainframe was not documented. When the mainframe cabinet styles | performance in a fast mainframe was not documented. When the mainframe cabinet styles | ||
were revamped in August 1956, the Types 53[[A]], 53[[B]], 53[[C]] and 53G were | were revamped in August 1956, the Types 53[[A]], 53[[B]], 53[[C]] and 53G were | ||
all upgraded (sped up) and renamed; | all upgraded (sped up) and renamed; Type 53G became Type 53/54G. It was the only | ||
early plugin that did not go through the awkward "53x/54x" phase. | early plugin that did not go through the awkward "53x/54x" phase. | ||
In 1959 it became Type G | In 1959 it became Type G with no further change in design. | ||
Types [[G]] and [[K]] are the only letter-series plugins | |||
where the Gain vernier is not concentric with the step attenuator. | |||
* http://w140.com/tek_fcp/tek_type_g_factory_cal_proc.pdf | * http://w140.com/tek_fcp/tek_type_g_factory_cal_proc.pdf | ||