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Siglent SDG2042X 40MHz Waveform Generator

SIGLENT’s NEW SDG2000X is a series of dual-channel function/arbitrary waveform generators with specifications of up to 120MHz maximum bandwidth, 1.2GSa/s sampling rate and 16-bit vertical resolution. The proprietary TrueArb & EasyPulse techniques help to solve the weaknesses inherent in traditional DDS generators when generating arbitrary, square and pulse waveforms. With advantages above, SDG2000X can provide users with a variety of high fidelity and low jitter signals, which can meet the growing requirements of complex and extensive applications.

  • Dual-channel, 120MHz maximum bandwidth, 20Vpp maximum output amplitude, high fidelity output with 80dB dynamic range.
  • High-performance sampling system with 1.2GSa/s sampling rate and 16-bit vertical resolution. No detail in your waveforms will be lost.
  • Innovative TrueArb technology, based on a point-by-point architecture, supports any 8pts~8Mpts Arb waveform with a sampling rate in range of 1μSa/s~75MSa/s.
  • Innovative EasyPulse technology, capable of generating lower jitter Square or Pulse waveforms, brings a wide range and extremely high precision in pulse width and rise/fall times adjustment.
  • Plenty of analog and digital modulation types: AM、DSB-AM、FM、PM、FSK、ASK and PWM.
  • Sweep and Burst functions.
  • High precision Frequency Counter.
  • Standard interfaces: USB Host, USB Device(USBTMC), LAN (VXI-11) Optional interface: GPIB.
  • 4.3” touch screen display for easier operation.
  • Model types:

    Model

    SDG2042X

     

    SDG2082X

    SDG2122X

     

    Maximum output frequency

    40MHz

     

    80MHz

    120MHz

    Output channels

    2

    Sampling rate

    1.2 GSa/s (4X Interpolation)

    Wave length

    CH1:16Kpts,CH2:512Kpts

    Frequency resolution

    1μHz

    Vertical resolution

    16bit

    Standard interfaces:

    Standard interfaces: USB Host, USB Device(USBTMC), LAN (VXI-11)

    More info in the factory SDG2000X Datasheet

    High-performance Sampling System

    Benefiting from a 1.2GSa/s and 16-bit sampling system, SDG2000X achieves extremely high accuracy performance in both time domain and amplitude, which results in more accurately reconstructed waveforms and lower distortion.

    Innovative EasyPulse Technology

    When a Square/Pulse waveform is generated by DDS, there will be a one-clock-jitter if the sampling rate is not an integer-related multiple of the output frequency. SDG2000X EasyPulse technology successfully overcomes this weakness in DDS designs and helps to produce low jitter Square/Pulse waveforms.



    Innovative TrueArb Technology

    For arbitrary waveforms, TrueArb not only has all the advantages of traditional DDS, but also eliminates the probability that DDS may cause serious jitter and distortion.


    Easy controll with 4.3” Touch Screen Display and Arbitrary Waveform Software EasyWave

    The 4.3” touch screen display, makes operation much more convenient. And EasyWave is a powerful arbitrary waveform editing software that supports several ways to generate arbitrary waveform such as manual drawing, line-drawing, equation-drawing, coordinate-drawing, etc. It is quite convenient for users to edit their own arbitrary waveforms through EasyWave.


    Accessoires Included:

    Siglent SDG2042X Arbitrary Function Generator
    User Manual
    Guarantee Card
    CD (including EasyWave 1.0 computer software system)
    Power Cord
    USB Cable
    Quick Start Guide

    Downloads

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    Review by Labrat
    Posted on 18/11/2016
    Usually when you buy some equipment that does not hurt wallet then there is some "after taste". Yes you will probably get your stuff done but you still go lurk around the web and dream of "real equipment" from some expensive brand manufacturer. This is not the case with SDG2000X. It expected it to be ok but it's just excellent.
    First out the box - shock. It's built like military equipment - heavy and solid. Fan noise is reasonable. You may notice it when it's the only equipment running but when there is array of other (high quality) instruments humming it blends in.
    After testing it for some time cannot find any real faults - all is according to spec. User interface has some very minor usability issues but you learn to work around them. Most importantly - this instrument does not get in the way of stuff I want to get done. It can be trusted and does not waste my time.
    At the same time I (sadly) bought oscilloscope from direct competitor of Siglent. It was a mistake. Software on it seems to be made by bunch of schoolkid-hackers and it does get in my way very heavily. Not to mention fan-noise which is just extreme.
    Lesson learned - for starters I'm gonna buy another SDG from Siglent (since I need more than 2 channels and they can be hooked up) and if all goes well gotta think about swapping the scope also...
    Review by janekivi
    Posted on 10/06/2016
    I have been using SDG1025 some time and wanted something new for my personal use. After comparing some models and performance I decided buy SDG2042X. It has 2 channels, 16 bit vertical resolution, 1 µHz - 40 MHz sine wave + all other common signals and modulations. In high impedance mode it provides max 20 Vpp and in 50 ohm mode up to 10 Vpp output. Detailed information is found on specification page.

    In the package was generator, BNC cable, power cable, CD, USB cable, Quick Start guide and Certificate of Calibration. Unit itself is in same standard size as other Siglent units like SDG10XX generators and SDM3055 multimeters. It has the same handle. But now… it has different bigger "bumpers". In front and back corners are big plastic "surrounds". They must protect connectors and buttons, I think. But the unit is not that industrial use product what you always carry around and drop everywhere. Front "bumpers" ending exact same level as rotary control. Many users have their lab equipment on the shelf and on the top of other units. And usually other units don't have extended surroundings. So, for next product I give to Siglent this kind of hint. You can make rubber surroundings symmetrical. Then can user swap them and mount straight side to outside. Actually there is not very much room for big fingers around of rotary control. But user interface and controls are very good. This unit has 4.3'' color touch screen. There are 480 × 272 pixels and compared to SDG10XX all graphics is way better. Additional menu and their buttons is lower portion of screen. All settings and parameters are accessible from touch screen and after selecting them you can change values via numeric buttons or rotary control. Some stuff is too small for big fingers.
    But there was USB cable and this unit has LAN too. You can connect it to PC and use EasyWave to make all kind of waveforms and send them to generator. They saved to user arbitrary waveforms section. You can store some Equations and use them to generate 120 Mhz signals with 40 Mhz SDG2042X. I have used it up to 130 Mhz sine wave.

    One thing I found annoying is information box. It stays too long on screen. Time setting for this might be good. I know already what it says but must wait soooo long for next action.

    Fan is bit softer than SDG1025. This is common in new equipment and they all can be modded with higher quality one.

    Overall this is good instrument for this price.
    Review by Chris
    Posted on 11/10/2015
    I've tested the SDG2042X now for two days and i am impressed. I like the touch-screen because of the fast operation of the device.

    I also like that only the max. frequency of the sine-wave is limited compared to the more exensive 2000x units. That means rectangular waveforms are going up to 25MHz. Great feature for the value.

    All parameters i could check are full in specification.

    There is one bug with the Knop operation (the digit-position jumps one step to the right when crossing zero). That will be hopefully fixed in a coming firmware.

    I did not tested user defined waveforms yet. But there are already many build in waveforms that are looking great.

    I let the device running full day and did not get warm.

    As usual the fan could be more silent....