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3A74: Difference between revisions
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The Tektronix Type 3A74 is a four-channel vertical plug-in [[introduced in 1963]] for | {{Plugin Sidebar| | ||
[[560-series scopes]]. The bandpass is DC to 2 MHz. Each input signal passes through | title=Tektronix 3A74| | ||
summary=2 MHz four channel vertical amp| | |||
image=Image needed.jpg | | |||
caption=image needed (please add)| | |||
years=1963 – ? | | |||
type=Vertical Amplifier| | |||
series=[[560-series scopes]]| | |||
manuals= | |||
* [http://bama.edebris.com/download/tek/3a74/3a74.djvu Tektronix 3A74 Manual (DjVu)] | |||
}} | |||
The '''Tektronix Type 3A74''' is a four-channel vertical plug-in [[introduced in 1963]] for | |||
[[560-series scopes]]. The bandpass is DC to 2 MHz. | |||
Each input signal passes through | |||
switchable input attenuators and then into a cathode-follower made from a [[7586]] | switchable input attenuators and then into a cathode-follower made from a [[7586]] | ||
Nuvistor triode. That drives a PNP differential amplifier. The output of this | Nuvistor triode. That drives a PNP differential amplifier. The output of this | ||
| Line 9: | Line 22: | ||
This allows each of the input signals to be traced on the screen, one after another. | This allows each of the input signals to be traced on the screen, one after another. | ||
* [http:// | ==Specifications== | ||
{{BeginSpecs}} | |||
{{Spec | Bandwidth | 2 MHz}} | |||
{{Spec | Input impedance | 1 MΩ // 47 pF }} | |||
{{Spec | Deflection | 20 mV/Div to 10 V/Div in 1–2–5 sequence }} | |||
{{Spec | Features | | |||
* Invert switch per channel | |||
}} | |||
{{EndSpecs}} | |||
==Links== | |||
* [http://www.amplifier.cd/Test_Equipment/Tektronix/Tektronix_other/3A74.htm Tek 3A74 page @ amplifier.cd] | |||
==Pictures== | |||
[[Category:Image needed]] ''please add'' | |||
[[Category:560 series plugins]] | |||