E: Difference between revisions
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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 | |||
manuals= | |discontinued=1969 | ||
* [[Media:070-023.pdf|Tektronix Type E Manual ( | |designers=Larry Dillard | ||
|manuals= | |||
* [[Media:070-023.pdf|Tektronix Type E Manual]] (OCR) | |||
<small> | <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 ( | * [[Media:Tek type e cal outline.pdf|Tektronix Type E Calibration Outline]] (OCR) | ||
</small> | </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. | ||
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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== | ||
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<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 | ||
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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]] |
Latest revision as of 08:20, 6 December 2023
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 directly into the grids of a 12AX7 differential amplifier.
The Type E was mainly intended for biomedical applications.
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 achieves a 50,000 to 1 common mode rejection ratio. Maximum bandwidth is 60 kHz. It has seven tubes, three of which are on a shock-mounted subchassis.
The Type 53E/54E was introduced in 1955. Along with Types G and K, it was the first plug-in offered after, not during, the original 531/535 introduction in 1954. 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". The Type E was dropped after 1968; its replacement, the Type 1A7, had been available for a few years.
Hickok produced an unauthorized clone, the Hickok 1825.
Links
- Tektronix Type E @ radiomuseum.org
- Tektronix Type E / 53/54E @barrytech.com
Pictures
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Front
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Right
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Left
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schematic
Components
Some Parts Used in the E
Part | Part Number(s) | Class | Description | Used in |
---|---|---|---|---|
0B2 | 154-0075-00 | Gas Discharge Tube (Voltage regulator) | 105-108 V voltage reference | 190 • E • Hickok 1825 • Keithley 610 |
12AU7 | 154-041 • 154-0041-00 • 154-0287-00 | Vacuum Tube (Dual Triode) | dual medium-μ triode | 104 • 104A • 122 • 160 • 161 • 162 • 181 • 190 • 310 • 310A • 316 • 317 • 3C66 • 502 • 502A • 507 • 511A • 512 • 516 • 517 • 517A • 524 • 526 • 535 • 536 • 545 • 545A • 545B • 547 • 549 • 555 • 561 • 564 • 570 • 575 • 581 • 581A • 585 • 585A • C • D • E • N • Q • Hickok 1825 |
12AX7 | 154-043 • 154-0043-00 | Vacuum Tube (Dual Triode) | dual triode | 3C66 • 513 • 524 • 531 • 531A • 535 • 536 • 545 • 545A • 545B • 546 • 547 • 549 • 555 • 570 • 581 • 581A • 585 • 585A • E • Q • Hickok 1825 • Keithley 610 |
5751 | 154-0094-00 | Vacuum Tube (Dual Triode) | dual triode | E |
5879 | 154-0055-00 | Vacuum Tube (Pentode) | sharp-cutoff pentode | 112 • 512 • D • E • Hickok 1825 |