The Anritsu MG3691A is a synthesized CW generator delivering stable RF and microwave signal generation from 2 to 8.4 GHz. Purpose-built for RF component testing and system development, it combines precise frequency control with flexible modulation and sweep capabilities to support demanding measurement and characterization workflows.
Technical Specifications
Frequency Performance
• Frequency range: 2 to 8.4 GHz
• Optional extension down to 0.1 Hz
• Frequency resolution: 0.01 Hz minimum step size
• Accuracy tracks internal or external 10 MHz time base
Output Power
• Standard output: +13 dBm typical
• Optional high-power configuration: Up to +17 dBm guaranteed leveled to 20 GHz
• Attenuation options: 110 dB mechanical or 120 dB electronic attenuator
• Leveled output range with Option 15: -5 dBm to -105 dBm
Signal Purity
• Phase noise: Less than 130 dBc/Hz @ 1 GHz, 10 kHz offset (with optional digital down-converter)
• Spurious signals: <-60 dBc across 2.2 GHz to 65 GHz
• Residual FM: 2 GHz), 1 µs (<2 GHz)
• Modulation bandwidth: Typically ≤250 Hz
• User-defined waveforms: Download capability via external software
• IQ modulation: Supported through IF up-conversion option
Sweep Modes
• Digital sweep: Frequency and power
• Analog ramp sweep: 1 MHz to full range, 30 ms to 99 seconds
• Step sweep: 0.01 Hz resolution, up to 10,000 steps with variable dwell (1 ms to 99 seconds)
• Fixed-rate sweep: 20 ms to 99 seconds
• Alternate sweep: Between two ranges with independent power levels
– Key Features
• Phase-locked step synthesis for precise frequency control
• Independent sweep width and time selection
• Dual attenuation architecture for extended dynamic range
• Technology foundation from 69C series architecture
– Typical Applications
RF component characterization, microwave system development, signal integrity validation, and subsystem performance testing.


















