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Siglent SDG2042X Function Generator
The Siglent SDG2042X is an advanced 40 MHz dual-channel function and arbitrary waveform generator featuring an exceptional 1.2 GSa/s sampling rate and 16-bit vertical resolution. Engineered with Siglent’s proprietary TrueArb and EasyPulse technologies, it overcomes the inherent jitter and distortion flaws of traditional DDS generators, making it a critical asset for rigorous R&D, embedded systems design, and academic labs.
Features & Benefits
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40 MHz Output & 2 Independent Channels: Provide identical dual-channel performance with up to 20 Vpp output amplitude and an 80 dB dynamic range for high-fidelity signals.
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1.2 GSa/s Sample Rate & 16-Bit Vertical Resolution: A high-performance sampling system ensures exact waveform reconstruction with minimal quantization noise.
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TrueArb Technology Architecture: Point-by-point arbitrary waveform generation guarantees accurate edge placement without sample loss from 8 pts to 8 Mpts.
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EasyPulse Technology: Eliminates DDS jitter limitations, generating clean pulse and square waves with fully adjustable, fast rise/fall times.
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4.3-Inch Capacitive Touchscreen: Modern touch interface simplifies complex waveform setups, modulation configurations, and parameter entry.
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196 Built-in Arbitrary Waveforms: Vast library of standard, mathematical, and engineering waveforms readily available without the need for PC software.
Description
Representing a major leap in waveform fidelity, the Siglent SDG2042X is designed to deliver pristine signal reconstruction without losing critical amplitude or time-domain details. While conventional Direct Digital Synthesis (DDS) generators often produce unpredictable 1-clock jitter when generating square and pulse waves, the SDG2042X utilizes proprietary EasyPulse circuitry. This innovation guarantees remarkably low jitter (less than 150 ps) and allows engineers to precisely adjust pulse width and rise/fall times independently of the frequency setting.
Specifications
| Specification Parameter | Value / Range |
| Brand / Manufacturer | Siglent Technologies |
| Model | SDG2042X (Series: SDG2000X) |
| Channels | 2 Full Functional Independent Channels |
| Maximum Output Frequency | 40 MHz (Sine), 25 MHz (Square), 25 MHz (Pulse), 1 MHz (Ramp/Triangle) |
| Real-Time Sample Rate | 1.2 GSa/s (4X Interpolation) |
| Vertical Resolution | 16 bits |
| Arbitrary Waveform Length | 8 pts to 8 Mpts (TrueArb mode point-by-point output) |
| Signal Jitter (Typical) | < 150 ps (TrueArb, Square, Pulse) |
| Maximum Output Amplitude | 20 Vpp (High-Z) at $\le$ 20 MHz; 10 Vpp (High-Z) at > 20 MHz |
| Built-in Waveforms | 196 standard advanced and real-world arbitrary waveforms |
| Modulation Types | AM, DSB-AM, FM, PM, ASK, FSK, PSK, PWM |
| Operating Modes | Continuous, Burst, Sweep (Linear/Log), Harmonics |
| Frequency Counter | Built-in high-precision hardware counter (0.1 Hz to 200 MHz) |
| Display | 4.3-inch TFT LCD capacitive touchscreen (480 × 272 pixels) |
| Interface Ports | USB Host, USB Device (USBTMC), LAN (VXI-11); Optional GPIB adapter |
| Dimensions & Weight | 260.3 (W) × 107.2 (H) × 295.7 (D) mm; Approx. 3.43 kg |
| Included In-Box Accessories | Power Cord, USB Cable, BNC Coaxial Cable, Quick Start Guide, Calibration Certificate |
Additional information
| Weight | 10 lbs |
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| Dimensions | 10.2 × 4.2 × 11.6 in |
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