Posts Tagged ‘YouTube Basic Electronics Goodness’

Rigol DS1052 scope hack – NEAT!

OK, regardless of what many “old hat” hams think, there is a lot of kit building and homebrew activity going on in our little “geek” subculture.  I don’t bother with the discussions with many of my friends, as they don’t go anywhere to see the truly neat projects people are developing.

To that end, many hams have asked me over the past few months about scopes (even a recent topic on “the zed”).  Basically, you can go one of four routes.

1: Buy a super expensive scope

2: Buy a decent used scope for a couple hundred

3: Buy a USB/computer based scope

4: Buy a brand you may not be familiar with, hack it, and get double what you paid for (in the $400. range).

I’m a fan of 2 and 4.  Both have their merits.  A used O’scope (not really Irish either) is a bargain, you can get a name brand and will cover most of what you need in our hobby.  Used scopes are also great to learn on as well until you figure out what you really may need.

That leads us to a “no name” brand.  The Rigol is truly a neat scope.  I used one on my last job for about 9 or so months and it really had some neat features.  It is portable, can store images to a USB drive, can connect via USB to a computer, the list goes on, but here’s a few:

Model DS1052E
Bandwidth 50 MHz
Analog Channels 2
Vertical Sensitivity 2 mV/div – 10V/div
Real-time Sample Rate 1 GSa/s?each channel??500 MSa/s?dual channels?
Equivalent Sample Rate 10 GSa/s
Memory Depth Mode capture rate common long memory
one channel 1 GSa/s 16 kpts N/A
500 MSa/s 16 kpts 1 Mpts
dual channels 500 MSa/s

250 MSa/s
or less

8 kpts

8 kpts

N.A.

512 kpts

Standard Interface USB Host & Device, RS-232, P/F Out
Vertical Resolution 8 bits
Math ?, ?, ×, FFT
Max Input Voltage All inputs 1M??15pF 300 V RMS CAT?
Cursor Measurements Manual, Track and Auto Measure modes

Not a bad scope for the $400. range on ebay.

But…… (think Vince from “Slap Chop”)…… if you act now, because we can’t do this all day………

Dave Jones over at the EEVBlog has a neat video on Youtube on how you can double some of the specs…. for nothing.  Be wary of some google searches on the topic, some want you to hack into the scope and do all sorts of nonsense.  This is a simple first start and many people have had great results with it.

If you would like to go to the actual Rigol page and look up the specs and download the manual, go here:

http://www.rigolna.com/products/digital-oscilloscopes/ds1000e/ds1052e/

Finally, if you’re still not sure what you are looking for, you may be able to try a scope at a few places.  Some trade schools, community colleges and such will let you come down and just take a look (or attend a workshop).  There is also a growing number of “hackerspaces” around the globe.  A “hackerspace” is a place to explore and learn technology in all it’s facets.  Some vendors (Tektronix for example) have some really good resources on their websites as well.

Zener diodes – the basics

Stumbled upon another great video from AllAmericanFiveRadio on Youtube.  He has an incredible and vast collection of radio related, radio restoration, electronic theory…. tons of good stuff.

While I’m at it…..

I’ve mentioned this course here before, but NPTLHRD in India have a GREAT basic electronics course.  One lecture is purely on Zener diodes. Here are two video lectures. The first one is on wave shaping with diodes and a more in-depth discussion on Zener diodes in the second video.


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  • Matt W1MST, Managing Editor




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