Siglent SDG2042X Arbitrary Waveform Generator

The SDG2042X function generator has a bandwidth of 40 MHz, as well as 2 channels.


  • 3 Years Warranty
  • 2.5% advance payment discount

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In Stock, Delivery time: 1 - 3 days

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Product number: SDG2042X
Manufacturer: Siglent


The SDG2042XX from Siglent is a two-channel function generator with a bandwidth of 40 MHz.


  • Dual channel, 40 MHz maximum bandwidth, 20 Vpp maximum output amplitude, high fidelity output with 80 dB dynamic range.
  • Powerful sampling system with 1.2 GSa/s sampling rate and 16 bit vertical resolution. No detail in your waveforms is lost
  • Innovative TrueArb technology supports user-defined waveforms from 8 to 8 Mpts and user-defined sampling rates from 1 μSa/s to 75 MSa/s
  • Large touchscreen display
  • Easily combine waveforms via a single output, including noise and arbitrary waveforms
  • Innovative EasyPulse technology, capable of generating square waveforms or pulse waveforms with lower jitter, provides a wide range and extremely
    high precision in setting pulse width and rise/fall times
  • Many analog and digital modulation modes: AM, DSB-AM, FM, PM, PSK, FSK, ASK and PWM
  • Sweep and burst function, harmonics mode supported
  • High precision frequency counter
  • Standard interfaces: USB device, USB host, LAN (VXI-11) and GPIB (optional)
  • 4.3 inch touch screen display for easier operation
SDG2042X - Front 

Hardware details

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


Product highlights


Channel coupling
Function generator - SDG2000X

Technical Data

Model comparisonSDG2042X - Small
SDG2082X - Small
SDG2122X - Small
Maximum output frequency40MHz80MHz120MHz
Maximum sample rate1.2 GSa/s1.2 GSa/s1.2 GSa/s
Vertical resolution16bit16bit16bit
Signal length8pts - 8Mpts8pts - 8Mpts8pts - 8Mpts
 Display4.3" TFT LCD4.3" TFT LCD4.3" TFT LCD


SDG-2-RMKSDG-2-RMK Accessories
SDG-2-RMK Rackmount-Kit
The SDG-2-RMK rackmount kit is for two devices and is compatible with the function generators and digital multimeters.

SDG-RMK Rackmount-Kit
The SDG-RMK rackmount kit is compatible with Siglent's function generators and digital multimeters.

USB-GPIB Adapter
USB-GPIB Adapter
The USB-GPIB adapter converts GPIB communication to USB

BCN Kabel
BNC cable
The BNC cable is the ideal accessory for the Siglent SDG2000X series