Home RF Signal Generators RIGOL SPQ Series – Digital Array Measurement and Control System
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RF Signal Generators

RIGOL SPQ Series – Digital Array Measurement and Control System

RIGOL’s SPQ Series is a fully integrated, ultra-scalable digital array measurement and control system, purpose-built for noise-sensitive advanced computing environments. With direct digital output, ultra-low noise, and real-time control capability, SPQ redefines modular MCS performance from small setups to large-scale quantum-class arrays..

  • Detail
  • Special Features
  • Specification

What It Is
Digital array measurement-and-control system → modular build → clean, scalable control for quantum and advanced compute.

✨ Short Description (Cause → Effect)
Service modules handle microwave control, real-time analysis, biasing, triggers → tasks split smartly → runs stay stable, fast, and simple.

🔊 Direct-Digital Microwaves (Problem → Fix)
Baseband mixers add LO leakage and I/Q imbalance → SPQ uses direct playback → pulses keep uniform amplitude and precise phase → nodes drive cleanly.

📦 High Density, Low Hassle (Fact → Outcome)
500+ isolated channels in 19″, 16U → ~10× the integration of legacy rigs → fewer racks, fewer headaches.
Minimal cabling + tidy layout → quick installs, easy upkeep for hundred-node experiments.

🎯 Performance That Matters (Number → Value)
Phase noise −142 dBc/Hz; noise density < −160 dBm/Hz → cleaner clocks → longer decoherence windows → deeper runs, truer results.

🖧 HPC Tie-In (Link → Payoff)
PCIe-over-optical bridge → > 6 GB/s bandwidth, µs-level latency → quantum states meet supercomputing muscle → multi-year studies compress to months.

⚡ Real-Time Control (Trigger → Result)
Sub-300 ns feedback path + lean M&C instruction set → active reset after each gate → higher ground-state odds → >10× throughput for ALU-logic and qubit encode/decode.

🛠️ Why It Beats Mixers (Old → New)
Mixer stacks: more parts → more drift → more tune-ups.
SPQ direct-digital: fewer parts → fewer errors → more trust in every pulse.

🚀 Bottom Line
Need clean microwaves, dense channels, and real-time feedback that talks to HPC?
Pick RIGOL SPQ → faster setup, longer stable runs, and results you can bank on.

✨ Key Strengths (Cause → Effect, Close Links)

  • Direct-digital microwave output → no LO leakage, no I/Q imbalance → signals stay clean and stable.

  • High-density integration → 500+ microwave channels in 16U rack → labs get compact, isolated setups (≥65 dBc).

  • Modular architecture → service modules for control, analysis, biasing, triggering → flexible, precise builds.

  • Fast setup & debugging → fewer cables, one port per node → deployment becomes simple and quick.

  • Real-time feedback (<300 ns) → active reset right after gate → tighter experiments, less delay.

  • Ultra-low phase noise → −142 dBc/Hz at 100 MHz carrier → −160 dBm/Hz spectral density → cleaner results.

  • PXIe-to-PCIe bridging → >6 GB/s bandwidth → direct link to supercomputing clusters.

  • Dedicated M&C instruction set → optimized commands → faster waveform control and active reset.

  • Microsecond latency → optical PCIe, peer-to-peer → instant data exchange with HPC nodes.

  • Proven stability → used in many labs → long decoherence windows for deeper experiments.

✅ Bottom Line
This system compresses more channels into less space, removes messy noise, and links directly with supercomputers. For teams running quantum gates or precision microwave tests, it gives speed, stability, and trust in every run.

Feature Specification
Signal Output Direct digital microwave playback (no baseband mixing)
Phase Noise −142 dBc/Hz @ 100 MHz (1 kHz offset)
Noise Density < −160 dBm/Hz
Integration Density >500 channels in 16U rack, ≥ 65 dBc channel isolation
Feedback Latency < 300 ns
Communication Protocol PCIe over optical fiber (PXIe-to-PCIe bridge)
Data Bandwidth >6 GB/s
Latency Microsecond-level
Chassis Size 19-inch, 16U
Environment Compatibility Deployed in long-term R&D and HPC hybrid setups
Supported Use Cases Qubit control, ALU operations, decoding/encoding research