Rigol DG812 Function Generator
The Rigol DG812 is a compact, high-performance 10 MHz function and arbitrary waveform generator featuring 2 independent channels and true 16-bit vertical resolution. Driven by Rigol’s proprietary SiFi II (Signal Fidelity II) architecture, it delivers precise, point-by-point waveform generation with ultra-low jitter and standard 2 Mpts memory, making it an essential bench tool for electronics education, R&D, and circuit validation.
Features & Benefits
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10 MHz Output & 2 Independent Channels: Simultaneously generate two distinct signals or phase-locked outputs for complex dual-rail testing and circuit stimulation.
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True 16-Bit Vertical Resolution: Provides 65,536 levels of amplitude precision, rendering incredibly smooth waveforms free of stepped quantization noise.
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SiFi II (Signal Fidelity II) Technology: Point-by-point arbitrary waveform generation guarantees accurate edge transitions and minimizes system jitter to $\le$ 200 ps.
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160 Built-In Arbitrary Waveforms: Instantly simulate complex real-world signals across engineering, medical, automotive, and mathematical applications without needing external software.
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4.3-Inch TFT Color Touchscreen: Modern capacitive touch interface speeds up parameter entry, waveform selection, and modulation setup.
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Fanless Acoustic Design: Unique thermal dissipation structure operates completely silently, preventing distraction and background noise in busy labs.
Description
Redefining value in benchtop signal generation, the Rigol DG812 packs premium specifications into an ultra-compact, fanless chassis. Unlike traditional DDS (Direct Digital Synthesis) generators that suffer from phase jitter and edge distortion at lower frequencies, the DG812 utilizes advanced SiFi II technology to reconstruct arbitrary waveforms point-by-point. This ensures exceptional signal fidelity and a remarkably low jitter of $\le$
Specifications
| Specification Parameter | Value / Range |
| Brand / Manufacturer | Rigol Technologies Co., Ltd. |
| Model | DG812 |
| Channels | 2 |
| Maximum Frequency | 10 MHz (Sine), 3 MHz (Square), 3 MHz (Pulse), 2 MHz (Ramp) |
| Sample Rate | 125 MSa/s |
| Vertical Resolution | 16 bits |
| Arbitrary Waveform Length | 2 Mpts per channel (Upgrade available up to 8 Mpts) |
| Signal Jitter (Typical) | $\le$ 200 ps rms (Pulse/Square/Arbitrary) |
| Built-in Waveforms | 160 standard advanced and real-world arbitrary waveforms |
| Modulation Types | AM, FM, PM, ASK, FSK, PSK, PWM |
| Operating Modes | Continuous, Burst, Sweep, Modulation |
| Display | 4.3-inch TFT LCD color touch screen (480 × 272 pixels) |
| Interface Ports | USB Host, USB Device |
| Cooling System | Fanless passive cooling design |
| Dimensions & Weight | 237.4 (W) × 97 (H) × 268 (D) mm; Approx. 1.75 kg |
| Included In-Box Accessories | 1× BNC to BNC Cable, Power Cord, Quick Guide |
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