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The '''Tektronix Type O''' is a [[letter-series and 1-series plug-ins|letter-series plug-in]] | The '''Tektronix Type O''' is a [[letter-series and 1-series plug-ins|letter-series plug-in]], designed by [[Hiro Moriyasu]], that contains two op-amps and a vertical amplifier. | ||
It was [[introduced in 1962|introduced in mid-1962]] and was available through 1973. | It was [[introduced in 1962|introduced in mid-1962]] and was available through 1973. | ||
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There are sockets on the front panel for banana plugs. | There are sockets on the front panel for banana plugs. | ||
A mode switch selects the display to be taken from either op-amp's output, or the vertical amplifier input. | |||
A mode switch selects | |||
{{BeginSpecs}} | |||
{{Spec | Bandwidth | DC to 25 MHz (Vertical amplifier<sup>1</sup>) }} | |||
{{Spec | Rise time | 14 ns (Vertical amplifier <sup>1</sup>) }} | |||
{{Spec | Deflection | 50 mV/div to 10 V/div, 1–2–5, and variable (Vertical amplifier) }} | |||
{{Spec | Input | 1 MΩ // 47 pF (Vertical amplifier) }} | |||
{{Spec | Opamp GBW | 15 MHz }} | |||
{{Spec | Opamp gain | 2500 }} | |||
{{Spec | Opamp output | ±50 V, ±5 mA; output impedance 30 Ω @ 1 MHz }} | |||
{{Spec | Opamp noise | typ. 0.5 mV<sub>p-p</sub> referred to the input }} | |||
{{Spec | Internal Z | input and feedback can be selected from 10 kΩ, 100 kΩ, 200 kΩ, 500 kΩ, 1 MΩ, or 10 pF to 1 μF in decade steps }} | |||
{{EndSpecs}} | |||
''Note 1: In 540- and 580-series scopes and 555'' | |||
<small> | |||
===Accessories=== | |||
{{2ColBegin}} | |||
* [[013-0049-01]] Standard Shielded Cover (two supplied with each plugin) | |||
* [[013-0048-01]] Terminal Adapter Assembly (empty box for user chosen components) | |||
* [[013-0081-00]] Compensating Adapter | |||
* [[013-0068-00]] Gating Adapter | |||
* [[013-0086-00]] Leakage Current Adapter | |||
* [[013-0067-00]] Logarithmic Amplifier Adapter | |||
* [[067-0507-00]] Grid Current Checker (calibration fixture) | |||
{{2ColEnd}} | |||
</small> | |||
== | ==Prices== | ||
* $625 in 1971 ($4,700 in 2023 dollars) | |||
== | ==Internals== | ||
The opamps are implemented using two [[12AU6]] as a differential pair followed by two systems of a [[6DJ8]] as a bootstrapped cathode follower. | |||
The vertical amplifier also starts with a 12AU6 differential pair, which is followed by a pair of [[2N1143]] 200 MHz transistors. | |||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
Tek Type O front.jpg | Front view | Tek Type O front.jpg | Front view | ||
Tek_Type_O_front_Peter.jpg | Front view | |||
Type_o_top.jpg|Top view | Type_o_top.jpg | Top view | ||
Type_o_right.jpg|Right view | Type_o_right.jpg | Right view | ||
Type_o_left.jpg|Left view | Type_o_left.jpg | Left view | ||
Type-o.jpg | Type-o.jpg | ||
Tek type o adp1.JPG | Tek type o adp1.JPG | ||
Tek type o adp2.JPG | Tek type o adp2.JPG | ||
Tek o fr1.jpg | Tek o fr1.jpg | ||
Tek o fr2.jpg | Tek o fr2.jpg | ||
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</gallery> | </gallery> | ||
'''Schematics''' | |||
<gallery> | |||
Tek type o schem.png|Opamp Schematic | |||
Tek type o preamp.png|Preamp Schematic | |||
</gallery> | |||
==Components== | |||
{{Parts|O}} | {{Parts|O}} | ||
[[Category:500 series plugins]] | [[Category:500 series plugins]] | ||