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Telequipment S51: Difference between revisions
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{{Oscilloscope Sidebar | |||
|series= | |||
|manufacturer=Telequipment | |||
|model=S51 | |||
|summary=3 MHz tube scope | |||
|image=TQ S51B 7.jpg | |||
|caption=Telequipment S51B | |||
|introduced=(?) | |||
|discontinued=(?) | |||
|designers= | |||
|manuals= | |||
* [[Media:Telequipment_S51_User_Manual.pdf | Telequipment S51 user manual]] (PDF, unrelated schematics) | |||
* [[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. | |||
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. | |||
{{BeginSpecs}} | |||
{{Spec | Bandwidth | DC to 3 MHz (−3 dB), AC cutoff }} | |||
{{Spec | Deflection | 100 mV/cm to 50 V/cm, 1−2−5 }} | |||
{{Spec | Input impedance | 1 MΩ // 30 pF ([[banana connector]]) }} | |||
{{Spec | Sweep | 100 ms/cm to 1 μs/cm, 1−10 and 10:1 variable (slowest 1 s/cm) }} | |||
{{Spec | CRT | 5" Brimar Se5F, P1 [[phosphor]] initially / P31 on later models; 3 kV acceleration }} | |||
{{Spec | X input | 1-2 V/cm, 5 Hz − 200 kHz; 500 kΩ // 100 pF; (S51T: Optional 100 mV/cm, 10 kHz mode) }} | |||
{{Spec | Features | Auto trigger, TV trigger, Z input }} | |||
{{EndSpecs}} | |||
==Links== | |||
* [https://www.youtube.com/watch?v=XLMQhHliHLA Fixing a Telequipment S51B] @ YouTube | |||
* [https://www.radiomuseum.org/r/telequip_oscilloscope_s51bs_51.html Telequipment S51B] @ radiomuseum.org | |||
==Pictures== | |||
'''S51B''' | |||
<gallery> | |||
TQ S51B 7.jpg | |||
TQ S51B 2.jpg | |||
TQ S51B 3.jpg | |||
TQ S51B 9.jpg | |||
TQ S51B 5.jpg | |||
</gallery> | |||
'''S51E''' | |||
<gallery> | |||
TQ S51E 1.jpg | |||
TQ S51E 2.jpg | |||
</gallery> | |||
==Components== | |||
{{Parts|Telequipment S51}} | |||
[[Category:Telequipment]] | [[Category:Telequipment]] | ||
[[Category:Tube scopes]] | |||