User:Peter: Difference between revisions
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===Other Instruments=== | ===Other Instruments=== | ||
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308-timing.jpg | [[308]] − nobody else would pick it up at that hamfest | 308-timing.jpg | [[308]] − nobody else would pick it up at that hamfest | ||
SonyTek AFG320 front.jpg | Sony/Tek-branded [[AFG320]] | SonyTek AFG320 front.jpg | Sony/Tek-branded [[AFG320]] | ||
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===Carts, Cameras etc.=== | ===Carts, Cameras etc.=== | ||
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Tek 201-2 model e.jpg | [[201]] | Tek 201-2 model e.jpg | [[201]] | ||
202-1 scope cart.jpg | [[202-1]] | 202-1 scope cart.jpg | [[202-1]] | ||
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====500 series==== | ====500 series==== | ||
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Tek 1A1 front Peter.jpg | [[1A1|Type 1A1]] | Tek 1A1 front Peter.jpg | [[1A1|Type 1A1]] | ||
Tek_1a5_front2.jpeg | [[1A5|Type 1A5]] | Tek_1a5_front2.jpeg | [[1A5|Type 1A5]] | ||
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====580 series==== | ====580 series==== | ||
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Tek 80 front.jpg | [[80|Type 80]] | Tek 80 front.jpg | [[80|Type 80]] | ||
Tek 81 front.jpg | [[81|Type 81]] | Tek 81 front.jpg | [[81|Type 81]] | ||
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====7000 series==== | ====7000 series==== | ||
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Tek-7a11-front.jpg | [[7A11]] | Tek-7a11-front.jpg | [[7A11]] | ||
Tek 7A12 front.jpg | [[7A12]] | Tek 7A12 front.jpg | [[7A12]] | ||
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====S-series heads==== | ====S-series heads==== | ||
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Tek-s-4.jpg | [[S-4]] | Tek-s-4.jpg | [[S-4]] | ||
Tek-s6-front.jpg | [[S-6]] | Tek-s6-front.jpg | [[S-6]] | ||
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====TM500 series==== | ====TM500 series==== | ||
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TM503 open1.jpg | [[TM503]] | TM503 open1.jpg | [[TM503]] | ||
TM504 front.jpg | [[TM504]] | TM504 front.jpg | [[TM504]] | ||
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===Probes=== | ===Probes=== | ||
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Tek134-front-2.jpg | [[134]] | Tek134-front-2.jpg | [[134]] | ||
Tek P6008 early version.jpg | [[P6008]] | Tek P6008 early version.jpg | [[P6008]] | ||
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===Other=== | ===Other=== | ||
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Tek-1103-front.jpg | [[1103|1103 Probe power supply]], front panel | Tek-1103-front.jpg | [[1103|1103 Probe power supply]], front panel | ||
7CT1 homemade AB adapter 1.jpg | home-made A/B adapter for [[7CT1N]] | 7CT1 homemade AB adapter 1.jpg | home-made A/B adapter for [[7CT1N]] | ||
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===Measurements=== | ===Measurements=== | ||
====7104 speed==== | ====7104 speed==== | ||
<gallery hights= | <gallery hights=200px widths=200px> | ||
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 ... | ||
Tek7104-ristetime-100hz.jpg | [[7104]] 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 ns = 1.8 GHz) | Tek7104-ristetime-100hz.jpg | [[7104]] 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 ns = 1.8 GHz) | ||
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====Curve tracers==== | ====Curve tracers==== | ||
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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]] | ||
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====Miscellaneous 7000 series==== | ====Miscellaneous 7000 series==== | ||
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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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====7B85 delay readout==== | ====7B85 delay readout==== | ||
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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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====7A22==== | ====7A22==== | ||
<gallery hights= | <gallery hights=200px widths=200px> | ||
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 | 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-1k w.jpg | sub-millivolt triangle signal displayed through [[7A22]], BW=1 kHz | ||
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====Sampling==== | ====Sampling==== | ||
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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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====Probes==== | ====Probes==== | ||
<gallery hights= | <gallery hights=200px widths=200px> | ||
P6202-risetime-7s12-100ps.jpg | [[P6202]] rise time measured with [[7S12]], [[S-4]], [[S-52]] | P6202-risetime-7s12-100ps.jpg | [[P6202]] rise time measured with [[7S12]], [[S-4]], [[S-52]] | ||
P6202-risetime-7s12-1ns.jpg | [[P6202]] rise time measured with [[7S12]], [[S-4]], [[S-52]] | P6202-risetime-7s12-1ns.jpg | [[P6202]] rise time measured with [[7S12]], [[S-4]], [[S-52]] | ||
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====Current probes==== | ====Current probes==== | ||
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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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====Other==== | ====Other==== | ||
<gallery hights= | <gallery hights=200px widths=200px> | ||
TD quick check example.jpg | Tunnel diode quick check example using the method from [[Media:Service Scope 49 Apr 1968.pdf | Service Scope 49]]. Right beam is zoomed with delayed timebase to show step speed. | TD quick check example.jpg | Tunnel diode quick check example using the method from [[Media:Service Scope 49 Apr 1968.pdf | Service Scope 49]]. Right beam is zoomed with delayed timebase to show step speed. | ||
7a29-rise.jpg | [[7A29]] rise time ([[7104]], [[7B10]], pulse from [[S-52]]) | 7a29-rise.jpg | [[7A29]] rise time ([[7104]], [[7B10]], pulse from [[S-52]]) | ||
Revision as of 05:52, 2 March 2024
Hi, my name is Peter (who would have guessed?). I was born and live in Austria. Originally an EE, my current day job is in IT, in an international environment.
The first Tek instrument I worked with – around 1982 IIRC – was a T912 "vacuum cleaner" which I must say left me "slightly underimpressed" compared with my favourites at the time, the HP 1740 series.
For budget reasons, the first scope I bought for myself, circa 1986, was a rather pedestrian Kenwood 100 MHz 2-ch portable (a la 465). It did pay for itself through a consulting engagement (2nd generation products of this effort are still in service), but I learned only some time later what the difference between a passable scope like that and a good scope was, when I compared them side by side in overdrive ...
The first Tek scope in my own possession was the 7613 pictured below, which I bought in early 2014. Looking for manuals (its power supply needed some TLC), I found TekWiki. The resurrected 7613 did not remain alone for long. I worked my way up from good scopes to extraordinary ones – see below for the current population of Vintage Tek Sanctuary Central Europe.
On this Wiki, Kurt created an account for me in May 2014. I started to add a few photos and some data, then began building categories and some templates.
In June of that year, Kurt already gave me admin rights, thanks for the trust! One thing led to another ... having been familiar with Mediawiki (I set up a corporate Intranet with that software in 2006 that is still in use), I started getting involved in this site's software side as well, and over the years helped expand its coverage a bit.
Feel free to contact me if you have questions about the Cargo database module, for example.
You can also find me at the brand-new GR Wiki, and as Peter7000 over at Wellenkino.
Cheers
- --Peter
Scopes
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465 − from the estate of a hobbyist
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502 − spent many years in a university lab attached to strain gages watching metal samples being broken, at the end reduced to be a DSO pre-amp
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511AD − from a physics institute in Slovenia
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545A − from a guy with a remarkable collection of early radios and phonographs
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585 − another university retiree
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2230 − this one had been working on the railroad ...
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7503 − worked in a plasma physics lab, then moved to the physics dept at a smaller university
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7603 (2) − one cured of GHz oscillations but infested with cabling gremlins, the other barely survived rough handling
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7613 − my first 7k Tek
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7633 − supposedly from a private museum
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7844 − my #1 go-to scope
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7854 − in great shape
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7904 (2) - worked for some time, PSU to be repaired
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7104 − tube worn but in decent shape overall
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Other Instruments
Carts, Cameras etc.
Plugins
500 series
580 series
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067-0523-00 aka Type 84
7000 series
S-series heads
TM500 series
Probes
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P6451 probe internal, PCB front
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P6451 probe internal, PCB back
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Other
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1103 Probe power supply, front panel
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home-made A/B adapter for 7CT1N
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home-made A/B adapter for 7CT1N
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home-made A/B adapter version 2 with added slide switch to additionally test 4-pin or 6-pin optocouplers
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Measurements
7104 speed
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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)½ × 8.5 mm = 68.8 mm, travelled in 1.2 × 200 ps = 240 ps. Apparent speed is therefore 68.8×10-3 / 240×10-12 m/s or 2.86×108 m/s. Very near miss ...
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7104 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 ns = 1.8 GHz)
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7104 rise time measurement as before, 1000 Hz repetition rate at same brightness settings.
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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.
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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.
Curve tracers
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BC337 on 7CT1N
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no-name optocoupler on 7CT1N
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no-name optocoupler on 7CT1N using home-made test fixture
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home-made A/B fixture used to compare two transistors
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NE-2 neon bulb on a 7CT1N
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Miscellaneous 7000 series
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Classic readout board diagnostic display
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Tektronix 067-0587-02, gain mode, in horizontal slot
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Tektronix 067-0587-02, gain mode, in vertical slot
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7B85 delay readout
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7B85 used for rise time measurement
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7B85 used for rise time measurement
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7B85 used for pulse width measurement
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7B85 used for pulse period measurement
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7B85 used for pulse period measurement
7A22
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sub-millivolt triangle signal displayed through 7A22, BW=1 kHz
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sub-millivolt triangle signal displayed through 7A22, BW=10 kHz
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sub-millivolt triangle signal displayed through 7A22, BW=100 kHz
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sub-millivolt triangle signal through 7A22, BW=1 MHz
Sampling
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7S12 as a sampler displaying a 1 GHz signal (hi-res mode / storage)
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7S12 as a sampler displaying a 1 GHz signal (hi-res mode / storage)
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7S12 as a sampler displaying a 1 GHz signal (normal mode / non-storage)
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7S12 displaying the incident pulse from an S-52 (nom. < 25 ps) through an S-6 head (nom. < 30 ps)
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Probes
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P6230 Rise time without ground lead: 9.2 * 20 ps = 184 ps (equiv. to 1.9 GHz bandwidth)
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P6230 Rise time - Effect of using the "low inductance" ground lead - rise time 400 ps, bandwidth 875 MHz
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P6230 Rise time - Using the 250 mm alligator ground lead - severe pulse distortion, rise time ~3 ns (115 MHz)!
Current probes
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Measuring diode reverse recovery
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Diode reverse recovery, 20 mA/Div
Other
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Tunnel diode quick check example using the method from Service Scope 49. Right beam is zoomed with delayed timebase to show step speed.
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308 display, timing mode (binary counter example)
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308 display, state mode (binary counter example)
