5A21N: Difference between revisions

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The '''Tektronix 5A21N''' is a high-gain differential amplifier plug-in for [[5000-series scopes]].
The '''Tektronix 5A21N''' is a high-gain differential amplifier plug-in for [[5000-series scopes]].
In addition to inverting and noninverting differential inputs, it also features a current probe input for 125-turn probes such as the [[P6021]].
In addition to inverting and noninverting differential inputs, it also features a current probe input for 125-turn probes such as the [[P6021]].
Unlike more advanced differential amplifier plug-ins, it has neither a DC offset control nor a built-in comparison voltage source, and the HF bandwidth limit is fixed to 10 kHz when active.
Unlike more advanced differential amplifier plug-ins, e.g. the [[5A22N]]/[[7A22]], it has neither a DC offset control nor a built-in comparison voltage source, and only one switchable bandwidth limit, a fixed 10 kHz low-pass.


{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Bandwidth |  1 MHz }}
{{Spec | Bandwidth |  1 MHz }}
{{Spec | Deflection | 50 μV/Div to 5 V/Div or 0.5 mA/Div to 0.5 A/Div,  1-2-5 }}
{{Spec | Deflection | 50 μV/div to 5 V/div or 0.5 mA/div to 0.5 A/div,  1-2-5 }}
{{Spec | Input impedance | 1 MΩ // 47 pF }}
{{Spec | Input impedance | 1 MΩ // 47 pF }}


{{EndSpecs}}
{{EndSpecs}}
==Links==
{{Documents|Link=5A21N}}
{{PatentLinks|5A21N}}


==Pictures==
==Pictures==
<gallery>
<gallery>
5A21NFront (1).jpg
5A21NFront (1).jpg
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5A21N BotClose.jpg
5A21N BotClose.jpg
</gallery>
</gallery>
==Components==
{{Parts|5A21N}}


[[Category:5000 series vertical plugins]]
[[Category:5000 series vertical plugins]]


[[Category:Specifications needed]]
[[Category:Specifications needed]]

Latest revision as of 02:57, 16 October 2024

Tektronix 5A21N
1 MHz differential amplifier
5A21N front view

Compatible with 5000-series scopes

Produced from 1971 to 1991

Manuals
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix 5A21N is a high-gain differential amplifier plug-in for 5000-series scopes. In addition to inverting and noninverting differential inputs, it also features a current probe input for 125-turn probes such as the P6021. Unlike more advanced differential amplifier plug-ins, e.g. the 5A22N/7A22, it has neither a DC offset control nor a built-in comparison voltage source, and only one switchable bandwidth limit, a fixed 10 kHz low-pass.

Key Specifications

Bandwidth 1 MHz
Deflection 50 μV/div to 5 V/div or 0.5 mA/div to 0.5 A/div, 1-2-5
Input impedance 1 MΩ // 47 pF

Links

Documents Referencing 5A21N

Document Class Title Authors Year Links
Tekscope 1971 V3 N2.pdf Article The Low-Frequency Oscilloscope Goes Plug-in Jerry Shannon Ahne Oosterhof 1971

Patents that may apply to 5A21N

Page Title Inventors Filing date Grant date Links
Patent US 3423685A Bootstrapped cascode differential amplifier Roy Hayes 1964-08-27 1969-01-21
Patent US 3562464A Cam actuated switch having movable and fixed contacts on circuit board Howard Vollum Willem H Verhoef Tony Sprando 1968-10-07 1971-02-09

Pictures

Components

Some Parts Used in the 5A21N

Part Part Number(s) Class Description Used in
151-0261-00 151-0261-00 Discrete component dual PNP transistor AM501 AM502 CG5001 CG551AP FG501 FG502 FG503 OF150 OF151 OF152 OF235 OS261 RM502A R1140 R5030 R5031 R7912 067-0679-00 067-0807-00 1101 1140A 1141 1142 1350 145 1450 1480 1481 1482 1485 1501 1801 1900 1910 1980 213 26A1 26A2 2620 285 3A9 3A10 3S1 3S2 3S5 3S6 432 434 4501 454 4601 4602 4610 4612 4620 4632 4634 4701 475 492 492A 492AP 494 494P 496 496P 5A13N 5A20N 5A21N 5A22N 5A26 5L4N 502A 5030 5031 576 690SR 7A22 7A29 7B51 7B71 7J20 7L5 7S11 7S12 7912AD