Telequipment S51: Difference between revisions
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{{Oscilloscope Sidebar | | {{Oscilloscope Sidebar | ||
|series= | |||
summary=3 MHz tube scope | | |manufacturer=Telequipment | ||
image=TQ S51B 7.jpg | | |model=S51 | ||
caption=Telequipment S51B | | |summary=3 MHz tube scope | ||
introduced=(?) | | |image=TQ S51B 7.jpg | ||
discontinued=(?) | | |caption=Telequipment S51B | ||
manuals= | |introduced=(?) | ||
|discontinued=(?) | |||
|designers= | |||
|manuals= | |||
* [[Media:Telequipment_S51_User_Manual.pdf | Telequipment S51 user manual]] (PDF, unrelated schematics) | * [[Media:Telequipment_S51_User_Manual.pdf | Telequipment S51 user manual]] (PDF, unrelated schematics) | ||
* [[Media:Telequipment_S51_Schematic.pdf | Telequipment S51 schematics]] (PDF) | * [[Media:Telequipment_S51_Schematic.pdf | Telequipment S51 schematics]] (PDF) | ||
* [[Media:Telequipment_S51B_S51E.pdf | Telequipment S51B/S51E manual]] (PDF) | |||
* [[Media:Telequipment_S51_S51E_S51T.pdf | Telequipment S51/S51E/S51T manual]] (PDF) | |||
* [[Media:Telequipment_S51_Attenuators.pdf | Telequipment S51 attenuator modification]] (PDF) | |||
}} | }} | ||
The '''Telequipment S51''' is a low-cost single-channel 3 MHz scope originally intended for the service and education markets. | The '''Telequipment S51''' is a low-cost single-channel 3 MHz scope originally intended for the service and education markets. | ||
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==Pictures== | ==Pictures== | ||
'''S51B''' | |||
<gallery> | <gallery> | ||
TQ S51B 7.jpg | TQ S51B 7.jpg | ||
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TQ S51B 5.jpg | TQ S51B 5.jpg | ||
</gallery> | </gallery> | ||
'''S51E''' | |||
<gallery> | |||
TQ S51E 1.jpg | |||
TQ S51E 2.jpg | |||
</gallery> | |||
==Components== | |||
{{Parts|Telequipment S51}} | |||
[[Category:Telequipment]] | [[Category:Telequipment]] | ||
[[Category:Tube scopes]] | [[Category:Tube scopes]] | ||
Latest revision as of 07:28, 6 December 2023
The Telequipment S51 is a low-cost single-channel 3 MHz scope originally intended for the service and education markets.
There was an S51E model variant for education that eliminated the external trigger input in favour of a sweep (sawtooth) output, and an S51T variant with an additional (selectable) horizontal preamplifier (100 mV/cm at 10 kHz bandwidth).
It contains 7 tubes except the CRT (one ECF80, six ECC88) and one transistor.
The S51 is convection cooled.
Key Specifications
| Bandwidth | DC to 3 MHz (−3 dB), AC cutoff |
|---|---|
| Deflection | 100 mV/cm to 50 V/cm, 1−2−5 |
| Input impedance | 1 MΩ // 30 pF (banana connector) |
| Sweep | 100 ms/cm to 1 μs/cm, 1−10 and 10:1 variable (slowest 1 s/cm) |
| CRT | 5" Brimar Se5F, P1 phosphor initially / P31 on later models; 3 kV acceleration |
| X input | 1-2 V/cm, 5 Hz − 200 kHz; 500 kΩ // 100 pF; (S51T: Optional 100 mV/cm, 10 kHz mode) |
| Features | Auto trigger, TV trigger, Z input |
Links
- Fixing a Telequipment S51B @ YouTube
- Telequipment S51B @ radiomuseum.org
Pictures
S51B
S51E
