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  • Nice oscilloscope

    posted by budavargas on 05/27/2011
    1

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:

    At first sigth: A sturdy portatile oscilloscope with a big screen and a nice carring bag. It has an intuitive stable software with drivers included (only for Windows, sadly) and an engrish manual. Easy to operate after a while. Can take bmp screenshots and store them directly to an USB drive pluged.

    Testing: I was able able to see signals up to 60 [MHz]. Also, I generated a 100 [nsec] pulse at 500[Hz] for transcient analysis and I got quite amazed. Finally, it has a good 50-60 [Hz] issolation (220 VAC/50 Hz in my country). For test results, see the photo section

    Battery efectively last for 5 to 6 hours. I've been using this oscilloscope for the last 6 month and battery life is still the same.

    I found that combining a multitester with an oscilloscope is a very clever idea. Very useful to carry a single instrument to do several measures. Measures using the multitester are stable and within my error tolerance.

    It's most impresive fact it's is price. For 450 bucks, you have a very nice instrument ideal for a basic design and development bench.

    Cons:

    FFT: Operations are basic. There is no options like center frequency, span, sweep time or bw settings expected on a Spectum Analizer or a more sophisticated oscilloscope

    Probes: While tester probes are ok, scope probes are cheap. I recomend buying a couple at your local electronics shop or order them from a more respetable manufacturer. There are no fine probes here on DX

    Screen: Not the best available, but sufficient. I got some random pixels lighted while using it.

    Measures: While having a lot of posible automatic measures, many of them aren't as stable as I would like to. At high frequencies or low levels, they tend to jump from it's value to multiples (or fractions) of it.

    OtherThoughts:

    60 [MHz] and 100 [nsec] pulses tests are shown on the photo section of this item.

    Equipment used:

    -BK Presicion 2542 100[MHz] DSO

    -HP 8594E Spectrum Analizer

    -HP 8350A Sweep Oscilator

    -Digilent Spartan 3E-1600 Development Board (for pulse generation)

    Bottomline:

    An overall useful oscilloscope for hobby and semi-pro uses. It will not remplace a BK precition, Tectronic or any other well known manufacturer but it's nice to have some of their capabilities for 1/2 or 1/3 of their prices. Im glad with my purchase and will recomend it to every situation where a basic oscilloscope is needed.

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