7104: Difference between revisions

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7104 (view source)

Revision as of 11:23, 18 November 2017

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<gallery>
<gallery>
File:Tek7104-front.jpg
Tek7104-front.jpg
File:7104 grain.jpg
7104 grain.jpg
File:Tek7104-1.jpg
Tek7104-1.jpg
File:Tek7104-5.jpg
Tek7104-5.jpg
File:Tek 7104 probe power.jpg
Tek 7104 probe power.jpg
File:Tek 7104 crt circuit1.jpg
Tek 7104 crt circuit1.jpg
File:Tek 7104 crt circuit2.jpg
Tek 7104 crt circuit2.jpg
File:Tek 7104 finalvert.jpg
Tek 7104 finalvert.jpg
File:Tek 7104 front.jpg
Tek 7104 front.jpg
File:Tek 7104 front outputs.jpg
Tek 7104 front outputs.jpg
File:Tek 7104 crtlabel.jpg
Tek 7104 crtlabel.jpg
File:Tek 7104 crtlabel mono.jpg
Tek 7104 crtlabel mono.jpg
File:Tek 7104 horizamp.jpg
Tek 7104 horizamp.jpg
File:Tek 7104 plugin bay.jpg
Tek 7104 plugin bay.jpg
File:Tek 7104 readout circuit.jpg
Tek 7104 readout circuit.jpg
File:Tek 7104 rearright.jpg
Tek 7104 rearright.jpg
File:Tek 7104 right.JPG
Tek 7104 right.JPG
File:Tek 7104 vertamp.jpg
Tek 7104 vertamp.jpg
File:Tek 7104 vertampclose.jpg
Tek 7104 vertampclose.jpg
File:Tek 7104 vertcrtinterconnect.jpg
Tek 7104 vertcrtinterconnect.jpg
File:Tek7104-hor-and-vert-amp.jpg    | 7104 horizontal (top) and vertical (bottom) output amplifiers
Tek7104-hor-and-vert-amp.jpg    | 7104 horizontal (top) and vertical (bottom) output amplifiers
File:Tek-7104-horiz-out-and-term.jpg  | 7104 horizontal output amplifier, CRT connection and termination of distributed horizontal deflection plates
Tek-7104-horiz-out-and-term.jpg  | 7104 horizontal output amplifier, CRT connection and termination of distributed horizontal deflection plates
Tek7104-vert-sw.jpg                  | 7104 vertical channel switch board
Tek7104-vert-sw.jpg                  | 7104 vertical channel switch board
Tek 7104 rear.jpg
</gallery>
</gallery>


===Measurements===
===Measurements===
<gallery>
<gallery>
File:Tek7104-ristetime-100hz.jpg          | Rise time measurement.  150 ps risetime pulse from [[067-0587-02]] at 100 Hz repetition rate.  Measured 240 ps (corrected for 150 ps fixture rise time: 190 ps = 1.8 GHz)
Tek7104-ristetime-100hz.jpg          | Rise time measurement.  150 ps risetime pulse from [[067-0587-02]] at 100 Hz repetition rate.  Measured 240 ps (corrected for 150 ps fixture rise time: 190 ps = 1.8 GHz)
File:Tek7104-ristetime-1000hz.jpg        | Rise time measurement as before, 1000 Hz repetition rate at same brightness settings.
Tek7104-ristetime-1000hz.jpg        | Rise time measurement as before, 1000 Hz repetition rate at same brightness settings.
File:Tek7104-200ps-singleshot.jpg        | 7104 recording a single shot pulse (from [[067-0587-02]]) at 200 ps/Div.  Camera: Nikon D7000,  50 mm f/1.4, ISO 3200, 1/2 s.  CRT filter not removed.
Tek7104-200ps-singleshot.jpg        | 7104 recording a single shot pulse (from [[067-0587-02]]) at 200 ps/Div.  Camera: Nikon D7000,  50 mm f/1.4, ISO 3200, 1/2 s.  CRT filter not removed.
File:Tek7104-200ps-singleshot-sin1-1g.jpg | 7104 recording 1 GHz sine, single shot at 200 ps/Div.  Camera: Nikon D7000,  50 mm f/1.4, ISO 3200, 1/2 s.  CRT filter not removed.  CRT amplification loss is evident around the center line.
Tek7104-200ps-singleshot-sin1-1g.jpg | 7104 recording 1 GHz sine, single shot at 200 ps/Div.  Camera: Nikon D7000,  50 mm f/1.4, ISO 3200, 1/2 s.  CRT filter not removed.  CRT amplification loss is evident around the center line.
File:Tek7104-superluminal-beam.jpg        |  [https://web.archive.org/web/20110926020847/http://www.oregonlive.com/silicon-forest/index.ssf/2011/09/a_tektronix_oscilloscope_that.html Faster-than-light] beam on 7104?  Using a [[067-0587-02]] calibration fixture at maximum amplitude produces this trace spanning 1.2 Div horizontally at 200 ps/Div and 8 Div vertically.  Trace length is (1.2² + 8²)<sup>½</sup> × 8.5 mm = 68.8 mm, travelled in 1.2 × 200 ps = 240 ps.  Apparent speed is therefore 68.8×10<sup>-3</sup> / 240×10<sup>-12</sup> m/s or 2.86×10<sup>8</sup> m/s.  95.6% c<sub>0</sub> - a '''very''' near miss ...
Tek7104-superluminal-beam.jpg        |  [https://web.archive.org/web/20110926020847/http://www.oregonlive.com/silicon-forest/index.ssf/2011/09/a_tektronix_oscilloscope_that.html Faster-than-light] beam on 7104?  Using a [[067-0587-02]] calibration fixture at maximum amplitude produces this trace spanning 1.2 Div horizontally at 200 ps/Div and 8 Div vertically.  Trace length is (1.2² + 8²)<sup>½</sup> × 8.5 mm = 68.8 mm, travelled in 1.2 × 200 ps = 240 ps.  Apparent speed is therefore 68.8×10<sup>-3</sup> / 240×10<sup>-12</sup> m/s or 2.86×10<sup>8</sup> m/s.  95.6% c<sub>0</sub> - a '''very''' near miss ...
</gallery>
</gallery>


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