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The Tektronix Type G is a plug-in differential amplifier for [[500-series scopes]]. | {{Plugin Sidebar 2 | | ||
title=Tektronix Type G | | |||
summary=20 MHz differential amplifier| | |||
image=type g.jpg | | |||
caption=Type G front view| | |||
introduced=1955 | | |||
discontinued=1971 | | |||
series=[[500-series scopes]]| | |||
manuals= | |||
* [http://w140.com/tek_g.pdf Tektronix Type 53G Manual (PDF)] | |||
<!-- * [http://w140.com/tek_fcp/tek_type_g_factory_cal_proc.pdf Tektronix Type 53G Factory Calibration Procedure (PDF)] --> | |||
* [[Media:tek_type_g_manual.pdf|Tektronix Type 53G Manual (PDF, OCR, bad-OCR)]] | |||
* [[Media:Tek type g.pdf|Tektronix Type G Manual (PDF, needs OCR)]] | |||
* [[Media:tek_type_g_fcp.pdf|Tektronix Type G Factory Calibration Procedure (PDF, OCR)]] | |||
}} | |||
The '''Tektronix Type G''' is a plug-in differential amplifier for [[500-series scopes]]. | |||
Unlike | Unlike the [[D|Type D]], the Type G is optimized for RF, achieving only a 100 to 1 common-mode | ||
rejection ratio but operating all the way to | rejection ratio but operating all the way to 20 MHz. | ||
It has seven tubes. | 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. | |||
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 | [[541]]/[[545]], but it was only specified to 10 MHz in a [[535]], and its | ||
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; Type 53G became Type 53/54G. It was the only | all upgraded (sped up) and renamed; Type 53G became Type 53/54G. It was the only | ||
early | 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. | ||
[[K]], [[L]], and [[T]] are tied for longest production life, at 16 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. | ||
==Specifications== | |||
[[Category:Specifications needed]] ''please add'' | |||
==Pictures== | |||
<gallery> | |||
Type g.jpg | |||
Type g side2.jpg | |||
Type g side.jpg | |||
Type g sidec.jpg | |||
Type g top.jpg | |||
Tek type g with box.jpg|Type G with original box | |||
1967 Tek Plugin G 1lr.JPG|Photo courtesy of Dan Wilson (Hideaway Studio) | |||
1967 Tek Plugin G 3lr.JPG|Photo courtesy of Dan Wilson (Hideaway Studio) | |||
1967 Tek Plugin G 4lr.JPG|Photo courtesy of Dan Wilson (Hideaway Studio) | |||
Tek g schem.png| 53G Schematic | |||
Tek type g schematic.png| Type G schematic | |||
</gallery> | |||
[[Category:500 series plugins]] |