Rigol DSG3065B-IQ – RF Signal Generator, Max Frequency: 6.5 GHz

The Rigol DSG3065B-IQ is an RF signal generator delivering precise, low-noise signal generation across 9 kHz to 6.5 GHz with I/Q modulation capability from 50 MHz to 6.5 GHz. Built for R&D, manufacturing, and educational environments, it combines high-purity output, exceptional frequency stability, and extensive modulation options including AM, FM, PM, pulse, and I/Q modes with baseband support.

– Technical Specifications

Frequency & Resolution
• Frequency range: 9 kHz to 6.5 GHz (general); 50 MHz to 6.5 GHz (I/Q modulation)
• Frequency resolution: 0.01 Hz

Output Power
• Setting range: −130 dBm to +27 dBm
• Typical maximum: +25 dBm (≥10 MHz output frequency)
• Output impedance: 50 Ω (nom.)
• Amplitude accuracy: <0.5 dB (typ.)

Phase Noise
• At 1 GHz, 20 kHz offset: <−116 dBc/Hz (typ.)
• At 6.5 GHz, 20 kHz offset: <−98 dBc/Hz (typ.)

Frequency Stability
• Internal clock: 1 ppm or 0.5 ppm standard
• Optional OCXO: 5 ppb

Modulation Specifications
• AM, FM, PM, and CW standard
• Pulse modulation with up to 70 dB on/off ratio
• I/Q modulation bandwidth: 60 MHz internal, 120 MHz external
• EVM: <2%rms typical (QPSK)
• I/Q imbalance: <0.1 dB (nom., ≤10 MHz), <0.2 dB (nom., ≤30 MHz)
• Waveform memory: 1 to 16 Msample, 14-bit resolution

– Key Features

• Wear-free electronic attenuator
• Level setting time: <10 ms (typ., 20–30°C)
• Internal memory: 96 MB (nom.)
• User-defined pulse train and waveform generation
• IQ Station software included for PC-based I/Q data loading and modulation

– Typical Applications

• Wireless communication system validation
• Radar system testing
• IoT device characterization

– Compatibility & Integration

Supports external I/Q modulation inputs and user-defined waveform data via internal 96 MB memory. IQ Station software provides PC interface for baseband modulation control.