Dave tears down the Tektronix TDS2000 series TDS2024C DSO, what's inside? And he can't help but rant about the sample memory size and compare it to the venerable TDS210 from 1997 or so...
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In another world exclusive, Dave reviews Tektronix's new Mixed Domain Oscilloscope, the MDO4000 series that is released TODAY. Does it live up to the hype of changing the oscilloscope landscape and creating a new oscilloscope category? Also, it is a review of the MSO4000 series Mixed Signal Oscilloscope. How does that compare to the Agilent X Series? See PART 2 for the teardown!
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30 minutes of Dave twiddling knobs on a 2nd hand 50MHz Tektronix 2225 analog oscilloscope - it's right here! Who else can get so excited about a 500uV/div vertical scale?
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This video describes the Triggering controls on a typical Tektronix analog oscilloscope. Other analog scopes will typically be similar. The video presents the Trigger Level, Slope, Source, Coupling, Mode and Holdoff controls, and how each of them are used and their affect on the triggering capability of the scope.
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It's all about the tongue angle when Dave tears down his Tektronix 2225 oscilloscope and tweaks a few of the pots to drag the unit back into cal.
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Oscilloscope operation - BCIT Physics Demonstration
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Part 2 of the Tektronix MDO4000 Mixed Domain Oscilloscope review. This time, a world exclusive tear down. What magic lurks inside the die-cast shielded RF spectrum analyzer circuitry?
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This short video shows a cool feature of the Tektronix 1401A Spectrum Analyzer Module that helped users find signal frequencies through a unique "marker" function. This function was the way to "mark" a particular frequency for further analysis or measurements, before the advent of more fully integrated spectrum analyzers with multiple markers were developed.
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Update: Tektronix decided to award the first prize to probably the worst video entered into the contest, after changing the rules multiple times, and willingly allowing vote-stuffing of their contest to occur. I would not recommend ever trusting Tektronix for their word again after dealing with them. The winning entry: www.youtube.com Judge for yourself.... My entry into the MyTektronixScope.com video competition asking users of Tektronix instruments to show how their measurement equipment provides a good solution to a novel and challenging problem. Sensing 10kiloamps is one such problem. ==Disclaimer== - Pulse power is dangerous, I am an experienced professional, please do not try this at home. I take no responsibility for your own actions as a result of you viewing this video. ==Notes and Errata== - Music: "One Nice Thing Once A Day" by UltraCat available under Creative Commons 3.0 Attribution License - Full 1080p HD version pending upload whenever I have a stable internet connection - Hacklab Toronto: www.hacklab.to and http
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xeroxphaser8400solidink.wetpaint.com Discounted Replacement Xerox Phaser 8400 Tektronix Solid Ink Colorsticks for Xerox Phaser 8400 printer gives bright, high quality colourful output. The Compatible Xerox Phaser 8400 Tektronix Solid Ink Colorstick Cartridges are really consistent on almost any paper. Replacement Solid ink colorstix for Xerox Phaser 8400 Tektronix printer is discount priced to give you the competitive edge of color for about the cost of a black and white laser printer.
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This video is a very quick 5min demonstration of the new Tektronix MDO4000 - a Mixed Domain Oscilloscope. Its the first scope of its kind that adds a time-correlated Spectrum Analyzer to a Mixed Signal Oscilloscope, thereby giving you one instrument that includes 4 analog scope inputs, 16 digital inputs, and one dedicated RF input. The Spectrum Analyzer is very nice, large screen, basic spectrum analyzer which includes some very "non-basic" features. These include a Spectrogram display (to show spectral history of the acquisitions), as well as RF Amplitude, Frequency or Phase vs. Time displays. However, the REAL power of this instrument is that it ties all three of the domains (Analog, Digital and RF) together with a common acquisition and trigger system - which makes it possible to view signal activity on all inputs with full time correlation across the channels. The example shown illustrates the multi-domain capture of a Phase Locked Loop circuit as it is turned-on (enabled), receiving a command to tune to a new frequency, and then capturing the loop behavior as it slews and settles to the new programmed frequency. This example shows the ability to decode and trigger on a 3-wire digital SPI bus command that is being sent to the PLL, and capturing several analog signals and the RF activity during the entire process. This video just touches on a few of the features of this very cool new tool.
W2AEW Tektronix Tek MDO4000 Mixed Domain Oscilloscope analog digital RF spectrum analyzer SPI decode trigger triggering capture spectrogram zoom wave inspector pan navigate demo demonstration 1ghz 6ghz MDO4104-6 Multi aew
Using the Tektronix 321a oscilloscope to view waveforms from a cheap op-amp function generator. The focus potentiometer was broken so I replaced it with a couple 1 Mohm resistors (I didn't have a 1 Mohm potentiometer so I just picked fixed values). Scale illumination doesn't work either, both bulbs are intact however, so there must be a problem somewhere else. The vertical amplifier has some minor issues, the volts/division knob needs to be moved around the detent in order for it to display correctly, could just be dirty contacts inside, but the vertical amplifier is pretty buried so I'm not going to attempt to fix it. Otherwise, this scope is in pretty good condition. It was donated to the Cal Poly Robotics Club a while back. Here's a few pictures showing the internals: i37.tinypic.com i38.tinypic.com i35.tinypic.com i38.tinypic.com i37.tinypic.com i33.tinypic.com
Just a quick look around the workbench where I have made my scope display video pictures.
Just a little video I've made where I have built a circuit to make an oscilloscope act like a TV screen to display images.... and this video suited it perfectly. I have recaptured the video from my camcorder getting both odd and even fields of the frame and it looks way better than before.
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The DSO Nano handheld oscilloscope is reviewed and compared to a tektronix digital phosphor oscilloscope
Tektronix 465B oscilloscope in real-time demonstrating a mermerizing Lissajous pattern. This was created by setting 465B 'scope to XY Display mode and then feeding the Left and Right channels from the PC's sound card into the oscilloscope's X and Y inputs. The scope is a vintage Tektronix 465B Oscilloscope. For technical information on Lissajous patterns, see, for example, this website: www.egr.msu.edu The technotrance genre song is: "It's A Dream" For a 'regular' display of stereo audio signal using scope in dual-trace mode instead of XY mode, see this video: www.youtube.com .
Tektronix 465B 465B Oscilloscope Lissajous Lissajous patttern Its a Dream dual-trace scope upload
Presented is a vintage Type 547 Oscilloscope from TekTronix. This item is for auction on eBay by AuctionItToday47 and the seller states that similar equipment was used to test and diagnose problems on space/shuttle missions.
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This video takes a very brief look at the basic noise floor and sweep speed performance of the spectrum analyzer portion of the new Tektronix MDO4000 Mixed Domain Oscilloscope to a basic entry level swept spectrum analyzer. Both analyzers are set to the same set of settings, and the sweep speed / spectrum update rate are compared. The integrated spectrum analyzer in the MDO is intended to be comparable to the performance of conventional entry level class spectrum analyzers similar to the Agilent ESA-L E4411B that is used in this video for comparison. The Tek MDO is shown to be considerably faster at narrow resolution BW, while also featuring a noise floor that is more than 10dB lower. Note however that my E4411 analyzer is a 75ohm model, and includes a 50-75ohm min-loss pad at the input and it's attenuation is accounted for on the display. Thus, the noise floor of this analyzer is higher than you would see on a 50ohm model. From the E4411 datasheet, the DANL of the 50ohm model is similar to the DANL for the analyzer in the MDO. The Tektronix MDO is a new class of instrument - it is a 4-channel oscilloscope which also includes 16 digital channels (mini logic analyzer), and one dedicated RF channel (spectrum analyzer). All three of these input domains share a common trigger and acquisition system which makes it possible to simultaneously capture signals in all three domains, all time correlated. More information can be found at www.tek.com
Tektronix MDO MDO4000 Mixed Domain Oscilloscope spectrum analyzer DANL sweep speed W2AEW RBW attenuator reference level center span frequency new Tek aew
I picked up a Tek 1401A Spectrum Analyzer at a hamfest recently, and it inspired me to do a video or two. This one presents a generic block diagram and tutorial of what a conventional swept spectrum analyzer is and how it works. It also shows a quick demo of the Tektronix 1401A Spectrum Analyzer Module from the mid-70's.
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This video shows an example of using the Tektronix MDO4000 Mixed Domain Oscilloscope to track down the source of a transient EMI problem on a circuit board. A near-field magnetic loop probe is used to scan the board for RF emission. The MDO is used to trigger on a transient RF source. The repetition rate of the RF burst is determined, and the source of the problem is located on the board.
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Audio: Sound of 'line noise' noise on IC-756PROII in AM mode Video: Output of Spectrum Analyzer's video output shown on a Tek453 oscilloscope display: - Top trace: a 60 Hz sine wave - Bottom Trace: the 'bouncing' noise pulses Spec Ana is in Zero Span mode, RBW=30 kHz, tuned to vicinity of 80M ham band (3.5 MHz) Scene: Scene starts zoomed in on Tek 453 CRT and finishes zommed in on trigger settings The power pole making this 'noise' was over a mile away near the downtown Allen TX area, across from 201 E. McDermott. The top trace is from a step-down transformer and shows a 60 Hz reference 'line' signal. The bottom trace shows the RF pulses received on an 80M dipole and displayed using the HP 8557A spectrum analyzer and an oscilloscope. An O-scope was used so a sinewave could be shown along with the RF power line pulse interference and show the phase relationship between the two. There are two pulses per 1/2 sine or 4 pulses for a complete cycle: one pulse each for arc initiation and arc extinction, giving four pulses per complete 60 Hz cycle. Update: Radio direction finding (RDF) of the noise source (which was over a mile away): www.youtube.com Actual video of the arcing wire producing the RF noise that was receivable over a mile away: www.youtube.com .
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See how the new Agilent InfiniiVision 3000 X-Series oscilloscopes, with bandwidths from 100 - 500 MHz compare to the Tektronix DPO and MSO 2000 Series oscilloscopes
Vote for me here: mytektronixscope.com I am using my Tektronix 2246 analog oscilloscope to show the image generated by my DIY electron microscope. The 2246 is operating in XY mode, with the channels connected to a raster scan generator. The vertical scanning frequency is about 30Hz and the horizontal frequency is about 10KHz. The trace brightness (Z axis) is modulated with the secondary electron signal from the microscope.
Re-posted 1-18-11 with audio corrected to fix the sync problem. This meter is a legacy from my brother who died 11-5-2010. This model was later rebadged as a Fluke 185.
This video shows our new method of matching power triodes, pentodes, and beam power tubes. We are using a specially modified Tektronix 576 curve tracer. It has custom mods that allow tubes to be plugged into this solid state curve tracer, with input jacks for the heater and, for pentodes, the screen voltages. A curve tracer shows output plate current at up to 10 different grid bias points, and at up to maximum operating voltages, all at the same time on the screen, something no tube tester can do. Much more accurate matching can be done with high power tubes, with this instrument. Watch as we test the output curves of some classic RCA 6V6GT tubes.
Vacuum Tubes curve tracer Tektronix 576 RCA 6V6GT beam power tube pentode tube tester vacuum tube curves audiotubes
This is a video of my Tektronix 465B 100MHz dual channel oscilloscope. It does have the DM44 multimeter installed. The handheld multimeter in the video is my Extech MN16A.
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