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SDG2042X Siglent Function Generator

The SDG2042X is a 40 MHz function generator from Siglent.


  • Bandwidth: 40MHz
  • Sampling rate: 1.2 GSa/s (4X Interpolation)
  • Vertical resolution: 16 bit
  • Number of channels: 2
  • Max. amplitude: ±10V
  • Display: 4.3” touch screen display, 480 x 272 x RGB
  • Standard Interface: USB Host, USB Device, LAN
  • Optional: GPIB (USB-GPIB adaptor)
  • 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, PSK and PWM
  • Sweep and Burst function
  • Harmonic function
  • 196 built-in arbitrary waveforms
  • High precision Frequency Counter

The Siglent SDG2042X is a dual-channel function/arbitrary waveform generator with specifications of up to 40 MHz 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, SDG2042X can provide users with a variety of high fidelity and low jitter signals, which can meet the growing requirements of complex and extensive applications.

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