SainSmart DSO203 Nano Portable ARM Digital Oscilloscope, 4 Channels, 72MHz Bandwidth Review
The pocket size 4 channels digital oscilloscope easily suffice commonelectronic engineering tasks. It's based on ARM cortex M3 (STM32VCT6), providing72Mhz analog bandwidth with integrated FPGA and high speed ADC. Internal 2MB USBdisk could be used to store waveform, user application and upgrade firmware.
This pocket oscilloscope is largely employed for programs inside followingcircumstances:
1. Repair popular electronic devices outside (Air conditioning or Industrialfrequency inverter power supply, AC / DC switching electrical power supply orinverter, elevator and constructing fire safety products, industrial controlcircuit)
2. Hardware preservation or software program debugging RS232, RS485, I2C, CANalong with other communications interface circuits, LED show and keyboard scandriver circuit, brushless motor drive circuit
3. Audio devices and circuits, electronic toys and remote handle designs, car ortruck repair electronic circuits
4. College after-school teaching practice and college student advancement ofelectronic modest manufacturing
5. Should sluggish signal adjustments observed applications (such as: relay andchange contacts jitter, battery cost and discharge curves on the load transientresponse strength provide, temperature sensor attributes measurement)
6. The relevant provide electronic circuit (SCR voltage regulator, strengthcomponent correction, electronic vitality saving lamps, dysprosium lamp mercurylamp sodium lamp xenon lights drive circuit), As for other problems this sort ofas: CPU clock, RAM entry, bus and USB or Ethernet signal measurement, highfrequency plus the video circuitry plus the must use FFT for signal analysis andso on event
Price : $162.00
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SainSmart DSO203 Nano Portable ARM Digital Oscilloscope, 4 Channels, 72MHz Bandwidth Feature
- Two 72Mhz analog channels and two digital channels
- AD9288-40 dual A/D converter analogue channels from 36MS/s to 72MS/s.
- Signal Generator,Auto Measurement,Various Triggering Option
- Easy waveform storage,Firmware upgrade,User applications,Open source
- Built-in 2M USB disk
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Costumer review
11 of 11 people found the following review helpful.
Lacks documentation, so here's my guess
By David Clapp
Much more than a toy, but it takes some getting used to. Without documentation?
Here is what I've deduced with 1.52 sys on 2.70 hardware:
Buttons across the top:
Leftmost is run/stop
next [square] is storage
then [circle] is measure
[triangle] toggles between top menus and right side menus. This is key!
active parameter is blinking
Last two controls on top are adjustments
left, right or press
Far right is major = shifts fields
Second from right is minor = adjusts within a field
Colors map to channels: A=blue, B = Yellow
As to the bandwidth - 72 or 2*36 is Mega SAMPLES per second. 10 MHz bandwidth is about
what one would expect.
7 of 7 people found the following review helpful.
Wonderful Tool
By Jacob Chancery
This is the coolest pocket electronics tool you'll find. It's super cheap, more portable than any other oscilloscope on the market, and more than adequate for the electronics hobbyist.
It has a cool self-calibration feature. If you want very accurate voltage measurements you'll need a reference voltage source that can provide stable voltages at 0.3, 0.6, 1.2, 3.0, 6.0, 12, 30, & 60 volts. But for most troubleshooting scenarios exact voltage levels aren't necessary.
I've heard two negative comments in other reviews. One is that the probes are cheap and break easily. They're definitely not industrial grade, but with proper care they'll last a long time. Also I recommend buying two MCX to BNC adapters so that you can use any standard BNC probe or test leads. The other comment I've heard is that the user interface is not intuitive. But lets be honest, have you ever met an oscilloscope that was easy to understand? Every oscilloscope I've ever used took a while to get used to. It always takes time to figure out which knobs do what and what trigger mode and level and coupling you need to be in to view a specific signal. With this pocket oscilloscope its even harder because of space limitations. There are only four buttons and two knobs and there's no room to label them. Mine came with a little instruction booklet in English / Chinese which helped a great deal. But it still took me about two hours to figure out the interface.
5 of 5 people found the following review helpful.
papers, papers...we need some stinking papers!
By Boogeyman2K
I really like the product and the size. I'm finding it very easy to carry. luckily I'm already experienced with an oscilloscope because mine didn't come with any instructions or warranty information or safety material otherwise I would have given this more stars.
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