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{{Plugin Sidebar | | {{Plugin Sidebar | ||
|manufacturer=Tektronix | |||
summary=20 MHz differential amplifier| | |series=500-series scopes | ||
image=type g.jpg | | |type=Type G | ||
caption=Type G front view| | |summary=20 MHz differential amplifier | ||
introduced=1955 | | |image=type g.jpg | ||
discontinued=1971 | |caption=Type G front view | ||
|introduced=1955 | |||
manuals= | |discontinued=1971 | ||
* [ | |manuals= | ||
* [[Media:Tek type g.pdf|Tektronix Type G Manual]] (needs OCR) | |||
* [[Media:tek_type_g_manual.pdf|Tektronix Type 53G Manual ( | * [[Media:tek_type_g_manual.pdf|Tektronix Type 53G Manual]] (bad-OCR) | ||
* [[Media:tek_type_g_fcp.pdf|Tektronix Type G Factory Calibration Procedure]] (OCR) | |||
* [[Media:tek_type_g_fcp.pdf|Tektronix Type G Factory Calibration Procedure ( | * [[Media:Tek type g cal outline.pdf|Tektronix Type G Calibration Outline]] (OCR) | ||
* [[Media:Tek type g cal outline.pdf|Tektronix Type G Calibration Outline ( | |||
}} | }} | ||
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 the [[D|Type D]], the Type G is optimized for RF, achieving only a 100 to 1 common-mode | Unlike the [[D|Type D]], the Type G is optimized for RF, achieving only a 100 to 1 common-mode rejection ratio but maintaining it all the way to 20 MHz. | ||
rejection ratio but maintaining it all the way to 20 MHz. | Unlike "comparator" plug-ins such as the [[W|Type W]] and [[Z|Type Z]], the Type G does not contain an internal precision variable voltage source. | ||
Unlike "comparator" plug-ins such as the [[W|Type W]] and [[Z|Type Z]], | |||
the Type G does not contain an internal precision variable voltage source. | |||
It is for measuring the difference between two externally applied input signals. | It is for measuring the difference between two externally applied input signals. | ||
Its maximum sensitivity is 50 mV/div. It has seven tubes. (The early, slower 53G has five tubes.) | Its maximum sensitivity is 50 mV/div. It has seven tubes. (The early, slower 53G has five tubes.) | ||
Its name changed twice. Type 53G was [[introduced in 1955|introduced in March 1955]] along with the | Its name changed twice. Type 53G was [[introduced in 1955|introduced in March 1955]] along with the | ||
[[541]]/[[545]], but it was only specified to 10 MHz in a [[535]], and its | [[541]]/[[545]], but it was only specified to 10 MHz in a [[535]], and its performance in a fast mainframe was not documented. | ||
performance in a fast mainframe was not documented. When the mainframe cabinet styles | When the mainframe cabinet styles were revamped in August 1956, the Types 53[[A]], 53[[B]], 53[[C]] and 53G were all upgraded | ||
were revamped in August 1956, the Types 53[[A]], 53[[B]], 53[[C]] and 53G were | (sped up) and renamed; Type 53G became Type 53/54G. It was the only early plug-in that did not go through the awkward "53x/54x" phase. | ||
all upgraded (sped up) and renamed; Type 53G became Type 53/54G. It was the only | |||
early plug-in that did not go through the awkward "53x/54x" phase. | |||
In 1959 it became Type G with no further change in design. It was dropped after 1970. | In 1959 it became Type G with no further change in design. It was dropped after 1970. | ||
| Line 35: | Line 30: | ||
[[B]], [[D]], and [[G]] are next at 15 years. | [[B]], [[D]], and [[G]] are next at 15 years. | ||
Types G and [[K]] are the only letter-series plugins | Types G and [[K]] are the only letter-series plugins where the Gain vernier is not concentric with the step attenuator. | ||
where the Gain vernier is not concentric with the step attenuator. | |||
{{MissingSpecs}} | |||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
Type g.jpg | Type g.jpg | ||