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{{Plugin Sidebar | {{Plugin Sidebar | ||
|manufacturer=Tektronix | |||
summary=Differential amplifier | | |series=500-series scopes | ||
image= | |type=Type E | ||
caption= | |summary=Differential amplifier | ||
introduced=1955 | | |image=Tek e front.jpeg | ||
discontinued=1969 | | |caption=Tektronix Type E | ||
|introduced=1955 | |||
|discontinued=1969 | |||
|designers=Larry Dillard | |||
* [http://w140.com/tek_fcp/tek_type_e_factory_cal_proc.pdf Factory | |manuals= | ||
* [[Media: | * [[Media:070-023.pdf|Tektronix Type E Manual]] (OCR) | ||
<small> | |||
* [[Media:tek_type_e_fcp.pdf|Tektronix Type E Factory Calibration Procedure]] (bad-OCR) | |||
<!-- * [http://w140.com/tek_fcp/tek_type_e_factory_cal_proc.pdf Tektronix Type E Factory Calibration Procedure] --> | |||
* [[Media:Tek type e cal outline.pdf|Tektronix Type E Calibration Outline]] (OCR) | |||
</small> | |||
}} | }} | ||
The '''Tektronix Type E''' is a low-level differential amplifier plug-in for [[500-series scopes]]. | 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 [[XLR connector]] feeding | The sensitivity ranges from 50 μV/div to 10 mV/div. The input is an [[XLR connector]] feeding | ||
directly into the grids of a [[12AX7]] differential amplifier. | directly into the grids of a [[12AX7]] differential amplifier. | ||
The Type E was | |||
<!-- mostly designed by [[Larry Dillard]] with the help of his technician. It was --> | |||
mainly intended for biomedical applications. | |||
Despite the DC-coupled input stage, 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 60 kHz. | 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, three of which are on a shock-mounted subchassis. | ||
The Type 53E/54E was [[introduced in 1955]]. | The Type 53E/54E was [[introduced in 1955]]. | ||
| Line 27: | Line 35: | ||
The nomenclature was revised after just a few months, to 53/54E. | The nomenclature was revised after just a few months, to 53/54E. | ||
In 1959, when the A-suffix mainframes came out, all plugins dropped the "53/54". | In 1959, when the A-suffix mainframes came out, all plugins dropped the "53/54". | ||
Type E was dropped after 1968; its replacement, [[1A7|Type 1A7]], had been available for a few years. | The Type E was dropped after 1968; its replacement, the [[1A7|Type 1A7]], had been available for a few years. | ||
[[Hickok]] produced an unauthorized clone, the [[Hickok 1825]]. | |||
==Links== | ==Links== | ||
* [http://www.radiomuseum.org/r/tektronix_e_plug_in_unit_5354e53_54.html Tektronix Type E @ radiomuseum.org] | * [http://www.radiomuseum.org/r/tektronix_e_plug_in_unit_5354e53_54.html Tektronix Type E @ radiomuseum.org] | ||
* [http://www.barrytech.com/tektronix/vintage/teke.html Tektronix Type E] / [http://www.barrytech.com/tektronix/vintage/tek53-54e.html 53/54E] @barrytech.com | * [http://www.barrytech.com/tektronix/vintage/teke.html Tektronix Type E] / [http://www.barrytech.com/tektronix/vintage/tek53-54e.html 53/54E] @barrytech.com | ||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
Tek_Type_E_Front.jpg|Front | |||
Tek_Type_E_Right.jpg|Right | |||
Tek_Type_E_Left.jpg|Left | |||
Tek type e front.jpg | Tek type e front.jpg | ||
Tek type e left internal.jpg | Tek type e left internal.jpg | ||
| Line 49: | Line 63: | ||
type_e_schem.png|schematic | type_e_schem.png|schematic | ||
</gallery> | </gallery> | ||
==Components== | |||
{{Parts|E}} | |||
[[Category:500 series plugins]] | [[Category:500 series plugins]] | ||
[[Category:Differential amplifiers]] | [[Category:Differential amplifiers]] | ||