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The Tektronix Type G is a plug-in differential amplifier for [[500-series scopes]]. | {{Plugin Sidebar| | ||
title=Tektronix Type G | | |||
summary=20 MHz differential amplifier| | |||
image=type g.jpg | | |||
caption=Type G front view| | |||
years=1955 – 1970 | | |||
type=Vertical Amplifier| | |||
series=[[7000-series scopes]]| | |||
manuals= | |||
* [http://w140.com/tek_g.pdf Tektronix Type G Manual (PDF)] | |||
* [http://w140.com/tek_fcp/tek_type_g_factory_cal_proc.pdf Tektronix Type G Factory Calibration Procedure (PDF)] | |||
}} | |||
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 operating all the way to | rejection ratio but operating all the way to 20 MHz. | ||
Unlike "comparator" plug-ins such as the [[W|Type W]] and [[Z|Type Z]], | 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 Type G does not contain an internal precision variable voltage source. | ||
the difference between two externally applied input signals. | It is for measuring the difference between two externally applied input signals. | ||
Its maximum sensitivity is | Its maximum sensitivity is 50 mV/div. It has seven tubes. | ||
It has seven 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 | [[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 | ||
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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> | <gallery> |
Revision as of 01:43, 5 July 2014
The Tektronix Type G is a plug-in differential amplifier for 500-series scopes.
Unlike the 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 20 MHz. Unlike "comparator" plug-ins such as the Type W and 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.
Its name changed twice. Type 53G was introduced in March 1955 along with the 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 were revamped in August 1956, the Types 53A, 53B, 53C and 53G were 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.
Types G and K are the only letter-series plugins where the Gain vernier is not concentric with the step attenuator.
Specifications
please add
Pictures
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Schematic