The Anritsu 68253B Synthesized Signal Generator delivers stable, precise RF output across 2 to 26.5 GHz for demanding microwave test applications. This instrument combines agile frequency control with flexible modulation support, enabling comprehensive signal characterization in wireless and satellite communication environments. Fast frequency switching under 10 ms, low phase noise, and excellent spurious performance make it suitable for both development and production testing workflows.
Technical Specifications
RF Performance
• Frequency range: 2 to 26.5 GHz
• Frequency resolution: 1 Hz
• Frequency switching speed: < 10 ms (typical, full range)
• Output power: -120 dBm to +13 dBm (typical, frequency dependent)
• Power accuracy: ±1.0 dB (typical)
• Power flatness: ±0.5 dB (typical, 1 GHz bandwidth)
• Harmonic distortion: < -35 dBc (typical, +10 dBm output)
• Non-harmonic spurious: 10 kHz offset)
• Phase noise: 70 dB on/off ratio, 50 ns to CW pulse width, 10 Hz to 1 MHz PRF
• Digital modulation support available via optional capabilities
Interfaces & Control
• Remote: SCPI, GPIB (IEEE 488.2), Ethernet (10/100 Base-T), RS-232
• Front panel: LCD display, rotary encoder, soft keys
– Key Features
• 1 Hz frequency resolution across full 2–26.5 GHz range
• Sub-10 ms frequency agility for rapid switching applications
• Output power range spans 133 dB dynamic range
• Excellent phase noise performance for precision testing
• Multiple modulation formats including AM, FM, and pulse modes
– Typical Applications
• Wireless transceiver characterization and validation
• Satellite communication system testing
• Microwave component specification verification
• Signal integrity analysis in broadband systems
• Modulation format development and verification
– Compatibility & Integration
The 68253B integrates with standard test environments via SCPI and GPIB remote control, supporting 10/100 Base-T Ethernet and RS-232 serial interfaces. Industry-standard 3.5 mm or N-type output connectors ensure compatibility with existing microwave measurement systems and accessories.

















