Я4С-91: Difference between revisions

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caption=Я4С-91 front panel |
caption=Я4С-91 front panel |
series=[[Soviet 7000-series clones]]|
series=[[Soviet 7000-series clones]]|
introduced= |
introduced=(?) |
discontinued= |
discontinued=(?) |
category= |
manuals=
* ''please add'' [[Category:Manual needed]]
}}
}}


The '''Я4С-91''' is a dual timebase plug-in for [[Soviet 7000-series clones]]. It is roughly analogous to the Tek [[7B53A]]. It features a 3И306К tunnel diode in the timebase A trigger circuit.
The '''Я4С-91''' is a dual timebase plug-in for [[Soviet 7000-series clones]]. It is roughly analogous to the Tek [[7B53A]].
It features a [[Russian tunnel diodes|3И306К tunnel diode]] in the timebase A trigger circuit.


Significant differences to the 7B53A include:
Significant differences to the 7B53A include:
* slowest sweep speed 50ms/div
* slowest sweep speed 50 ms/div
* no x10 magnifier, direct access to 5ns/div speed
* no ×10 magnifier, direct access to 5 ns/div speed
* timebase B always runs after timebase A and has no separate trigger
* timebase B always runs after timebase A and has no separate trigger
* timebase mode A+B actually displays 'A intensified by B' alternating with B
* timebase mode A+B actually displays 'A intensified by B' alternating with B
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{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Time/div | 50ms to 5ns }}
{{Spec | Time/div | 50 ms to 5 ns }}
{{Spec | Trigger modes | norm, auto, single sweep }}
{{Spec | Trigger modes | norm, auto, single sweep }}
{{Spec | Trigger sources | internal, external, external/10, line }}
{{Spec | Trigger sources | internal, external, external/10, line }}
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<gallery>
<gallery>
Я4С-91_front.jpg | Front  
Я4С-91_front.jpg | Front  
Я4С-91_threequarter.jpg | Threequarter view
Я4С-91_threequarter.jpg | Three-quarter view
Я4С-91_left_side_internal.jpg | Left side internal
Я4С-91_left_side_internal.jpg | Left side internal
Я4С-91_left_side_detail.jpg | Left side detail
Я4С-91_left_side_detail.jpg | Left side detail

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