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The Tektronix Type E is a low-level differential amplifier plug-in for [[500-series scopes]]. | {{Plugin Sidebar 2 | | ||
The sensitivity ranges from 50 | title=Tektronix Type E | | ||
summary=Differential amplifier | | |||
image=Image needed.jpg | | |||
caption=please add image | | |||
introduced=1955 | | |||
discontinued=1968 | | |||
series=[[500-series scopes]] | | |||
manuals= | |||
* http://bama.edebris.com/manuals/tek/e | |||
* http://w140.com/tek_fcp/tek_type_e_factory_cal_proc.pdf | |||
}} | |||
The '''Tektronix Type E''' is a low-level differential amplifier plug-in for [[500-series scopes]]. | |||
The sensitivity ranges from 50 μV/div to 10 mV/div. The input | |||
is an [[Connectors#XLR|XLR]] balanced audio connector feeding directly into the | is an [[Connectors#XLR|XLR]] balanced audio connector feeding directly into the | ||
grids of a [[12AX7]] differential amplifier. Despite the DC-coupled input stage, | grids of a [[12AX7]] differential amplifier. | ||
the Type E is an AC-coupled amplifier. | |||
Despite the DC-coupled input stage, the Type E is an AC-coupled amplifier. | |||
It has front panel knobs for selecting the low-frequency and high-frequency cutoff. | It has front panel knobs for selecting the low-frequency and high-frequency cutoff. | ||
It achieves a 50,000 to 1 common mode rejection ratio. Maximum bandwidth is | It achieves a 50,000 to 1 common mode rejection ratio. Maximum bandwidth is 60 kHz. | ||
It has seven tubes on a shock-mounted subchassis. | It has seven tubes on a shock-mounted subchassis. | ||
The Type 53E/54E was [[introduced in 1955]]. | The Type 53E/54E was [[introduced in 1955]]. | ||
Along with Types [[G]] and [[K]], it was | Along with Types [[G]] and [[K]], it was the first plug-in offered after, not during, | ||
the first plug-in offered after, not during, | |||
the original [[531]]/[[535]] introduction in 1954. | the original [[531]]/[[535]] introduction in 1954. | ||
The nomenclature was revised after just a few months, to 53/54E. | The nomenclature was revised after just a few months, to 53/54E. | ||
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Type E was dropped after 1968. | Type E was dropped after 1968. | ||
==Pictures== | |||
<gallery> | <gallery> | ||
Image:type_e_schem.png|schematic | Image:type_e_schem.png|schematic | ||
</gallery> | </gallery> | ||