The Rigol DSG5122 is a dual-channel RF signal generator delivering 9 kHz to 12.0 GHz coverage with exceptional signal purity and independent channel control. Built as a 2U rack-mountable instrument, it combines a 3.5-inch touchscreen interface with flexible modulation and sweep capabilities suited to RF/microwave development, radar signal generation, and MIMO testing.
Technical Specifications
Frequency Performance
• Frequency range: 9 kHz to 12.0 GHz
• Frequency resolution: 0.01 Hz
• Phase noise: <-133 dBc/Hz at 1 GHz (10 kHz offset); <-111 dBc/Hz at 10 GHz (typical)
• Channel-to-channel phase stability: <1° at 10 GHz
• Long-term phase stability: ±1% over 72 hours at constant temperature
Output Power
• Output amplitude range: +5 dBm to +10 dBm
• Maximum available output power: 25 dBm
• Amplitude accuracy: <0.5 dB typical; ±1.1 dB general
• Output impedance: 50 Ω
Modulation & Sweep
• AM, FM, PM, and pulse modulation
• Frequency sweep with triangle and ramp shapes
• Level sweep capability
• Single and continuous sweep modes
• 3 ms switching speed
Hardware
• 2 independent channels with individual control
• 3.5-inch TFT LCD touchscreen (480×320 resolution)
• BNC and SMA female connectors
• USB Host/Device, LAN, and HDMI interfaces
• Trigger sources: Auto, Key, External, Bus (USB/LAN)
– Key Features
• Compact 2U rack form factor: 459 mm × 112 mm × 511 mm, 14 kg weight
• Multi-device rack mounting support within the DSG5000 series ecosystem
• Excellent phase coherence between channels for synchronized operation
• Wide modulation bandwidth for complex waveform generation
– Typical Applications
• RF and microwave system design and verification
• Radar and MIMO signal generation
• Research into quantum computing systems requiring precise RF excitation
• Multi-channel signal scenarios demanding tight phase correlation
– Compatibility & Integration
The DSG5122 integrates into the DSG5000 series family, enabling multi-unit rack configurations for scaled test environments. Standard interfaces support automated test system control via USB and LAN.

















