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Peter

Joined 4 May 2014
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Revision as of 05:28, 16 November 2023

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===Screen shots===
===Screen shots===
 
====7104 speed====
<gallery>
<gallery>
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.  '''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.  '''Very''' near miss ...
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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.
Tek7104-200ps-singleshot-sin1-1g.jpg  | [[7104]] recording 1 GHz sine, single shot at 500 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 500 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.
</gallery>


====Curve tracers====
<gallery>
7ct1n-bc337.jpg                      | BC337 on [[7CT1N]]
7ct1n-bc337.jpg                      | BC337 on [[7CT1N]]
7CT1N_optocoupler.jpg                | no-name optocoupler on [[7CT1N]]
7CT1N_optocoupler.jpg                | no-name optocoupler on [[7CT1N]]
7CT1N - Optocoupler.jpg              | no-name optocoupler on [[7CT1N]] using home-made test fixture
7CT1N - Neon.jpg                      | [[NE-2|NE-2 neon bulb]] on a [[7CT1N]]
7CT1N - 6J6.jpg                      | one system of a [[6J6]] triode on a [[7CT1N]]
</gallery>


P6202-risetime-7s12-100ps.jpg        | [[P6202]] rise time measured with [[7S12]], [[S-4]], [[S-52]]
====Miscellaneous 7000 series====
P6202-risetime-7s12-1ns.jpg          | [[P6202]] rise time measured with [[7S12]], [[S-4]], [[S-52]]
<gallery>
 
P6230-rt1.jpg    ‎  ‎      ‎          ‎  | [[P6230]] Rise time measured on a [[7S12]] with [[S-52]] and [[S-4]] heads, P6230 ground sleeve connected directly at S-52 output (no ground lead)
P6230-rt2.jpg    ‎  ‎      ‎          ‎  | [[P6230]] Rise time without ground lead: 9.2 * 20 ps = 184 ps (equiv. to 1.9 GHz bandwidth)
P6230-rt3.jpg  ‎  ‎      ‎  ‎          | [[P6230]] Rise time - Effect of using the "low inductance" ground lead - rise time 400 ps, bandwidth 875 MHz
P6230-rt4.jpg    ‎  ‎      ‎            | [[P6230]] Rise time - Using the 250 mm alligator ground lead - severe pulse distortion, rise time ~3 ns (115 MHz)!
 
Tek7904-7a19-7b92a-1010mhz-hfsync.jpg ‎| A [[7B92A]] (B098xxx) displaying a 1.01 GHz sine in HF Sync mode ([[7904]] mainframe, [[7A19]] amplifier)
Tek7904-7a19-7b92a-1010mhz-hfsync.jpg ‎| A [[7B92A]] (B098xxx) displaying a 1.01 GHz sine in HF Sync mode ([[7904]] mainframe, [[7A19]] amplifier)
7b92a-triggering-974mhz.jpg‎          | A [[7B92A]] (B098xxx) triggering a 974 MHz sine applied via 067-0587-02 calibration fixture ([[7904]] mainframe)
7b92a-triggering-974mhz.jpg‎          | A [[7B92A]] (B098xxx) triggering a 974 MHz sine applied via 067-0587-02 calibration fixture ([[7904]] mainframe)
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7d14-screen.jpg  ‎  ‎      ‎          | [[7D14]] screen picture - 500 MHz signal ([[7A19]], [[7B92A]], [[7904]])
7d14-screen.jpg  ‎  ‎      ‎          | [[7D14]] screen picture - 500 MHz signal ([[7A19]], [[7B92A]], [[7904]])


====7B85 delay readout====
<gallery>
7b85-risetime-10n.jpg    ‎            ‎| [[7B85]] used for rise time measurement
7b85-risetime-10n.jpg    ‎            ‎| [[7B85]] used for rise time measurement
7b85-risetime-5n.jpg ‎    ‎            ‎| [[7B85]] used for rise time measurement
7b85-risetime-5n.jpg ‎    ‎            ‎| [[7B85]] used for rise time measurement
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7b85-period-2.jpg ‎    ‎  ‎            | [[7B85]] used for pulse period measurement
7b85-period-2.jpg ‎    ‎  ‎            | [[7B85]] used for pulse period measurement
7b85-period-1.jpg ‎  ‎  ‎              | [[7B85]] used for pulse period measurement
7b85-period-1.jpg ‎  ‎  ‎              | [[7B85]] used for pulse period measurement
</gallery>
====7A22====
<gallery>
7a22-7613--tri-15uV.jpg ‎              | 15 μV<sub>p-p</sub> triangle wave measured through [[7A22]]. Using variable-persistence storage mode on a [[7613]] for noise filtering
Tri-1k w.jpg                        ‎ | sub-millivolt triangle signal displayed through [[7A22]], BW=1 kHz
Tri-10k w.jpg ‎                        | sub-millivolt triangle signal displayed through [[7A22]], BW=10 kHz
Tri-100k w.jpg                        ‎| sub-millivolt triangle signal displayed through [[7A22]], BW=100 kHz
Tri-1000k w.jpg ‎                      | sub-millivolt triangle signal through [[7A22]], BW=1 MHz
</gallery>


====Sampling====
<gallery>
7s11-1ghz-smooth-store.jpg ‎          | [[7S11]]/[[7T11]], 1 GHz sine, smooth mode, on variable-persistence storage scope (7613)
7s11-1ghz-smooth-store.jpg ‎          | [[7S11]]/[[7T11]], 1 GHz sine, smooth mode, on variable-persistence storage scope (7613)
7s11-1ghz-smooth.jpg ‎                | [[7S11]]/[[7T11]], 1 GHz sine, smooth mode
7s11-1ghz-smooth.jpg ‎                | [[7S11]]/[[7T11]], 1 GHz sine, smooth mode
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7s12-s52-pulse-1.jpg                  | Full pulse pattern of a [[7S12]]/[[S-52]] in real time (top trace) and sampled (bottom trace) shown simultaneously on [[7844]].  7S12 trace at slowest possible sweep.
7s12-s52-pulse-1.jpg                  | Full pulse pattern of a [[7S12]]/[[S-52]] in real time (top trace) and sampled (bottom trace) shown simultaneously on [[7844]].  7S12 trace at slowest possible sweep.
7s12-s52-pulse-2.jpg                  | [[S-5]]2 pulse in real time (top trace) and sampled (bottom trace) shown simultaneously on [[7844]].  Approximately equal time scales.
7s12-s52-pulse-2.jpg                  | [[S-5]]2 pulse in real time (top trace) and sampled (bottom trace) shown simultaneously on [[7844]].  Approximately equal time scales.
</gallery>


7a22-7613--tri-15uV.jpg ‎              | 15 μV<sub>p-p</sub> triangle wave measured through [[7A22]]. Using variable-persistence storage mode on a [[7613]] for noise filtering
====Probes====
Tri-1k w.jpg                         ‎ | sub-millivolt triangle signal displayed through [[7A22]], BW=1 kHz
<gallery>
Tri-10k w.jpg ‎                       | sub-millivolt triangle signal displayed through [[7A22]], BW=10 kHz
P6202-risetime-7s12-100ps.jpg        | [[P6202]] rise time measured with [[7S12]], [[S-4]], [[S-52]]
Tri-100k w.jpg                       ‎| sub-millivolt triangle signal displayed through [[7A22]], BW=100 kHz
P6202-risetime-7s12-1ns.jpg           | [[P6202]] rise time measured with [[7S12]], [[S-4]], [[S-52]]
Tri-1000k w.jpg ‎                     | sub-millivolt triangle signal through [[7A22]], BW=1 MHz
 
P6230-rt1.jpg   ‎  ‎      ‎          ‎ | [[P6230]] Rise time measured on a [[7S12]] with [[S-52]] and [[S-4]] heads, P6230 ground sleeve connected directly at S-52 output (no ground lead)
P6230-rt2.jpg   ‎  ‎      ‎          ‎ | [[P6230]] Rise time without ground lead: 9.2 * 20 ps = 184 ps (equiv. to 1.9 GHz bandwidth)
P6230-rt3.jpg   ‎  ‎      ‎   ‎          | [[P6230]] Rise time - Effect of using the "low inductance" ground lead - rise time 400 ps, bandwidth 875 MHz
P6230-rt4.jpg   ‎  ‎     ‎            | [[P6230]] Rise time - Using the 250 mm alligator ground lead - severe pulse distortion, rise time ~3 ns (115 MHz)!
</gallery>


====Current probes====
<gallery>
P6021-6022-100hz.jpg                  | [[P6022]] / passive term. @ 10 mA/Div (top) vs. [[P6021]]+[[134]] (bottom), sawtooth @ 100 mA<sub>p-p</sub>, 100 Hz
P6021-6022-100hz.jpg                  | [[P6022]] / passive term. @ 10 mA/Div (top) vs. [[P6021]]+[[134]] (bottom), sawtooth @ 100 mA<sub>p-p</sub>, 100 Hz
P6021-6022-1000hz.jpg                | [[P6022]] / passive term. @ 10 mA/Div (top) vs. [[P6021]]+[[134]] (bottom), sawtooth @ 100 mA<sub>p-p</sub>, 1 kHz
P6021-6022-1000hz.jpg                | [[P6022]] / passive term. @ 10 mA/Div (top) vs. [[P6021]]+[[134]] (bottom), sawtooth @ 100 mA<sub>p-p</sub>, 1 kHz
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