The Anritsu 68245B is a synthesized signal generator delivering stable, accurate RF signals across 0.5 GHz to 20 GHz for component testing, receiver characterization, and system integration. Built on microprocessor-based architecture with high-resolution phase-lock capability, the instrument combines flexible modulation, programmable frequency agility, and precise sweep control in a rackmount form factor.
Technical Specifications
• Frequency Range: 0.5 GHz to 20 GHz
• Output Power: +17 dBm maximum, –125 dBm minimum
• Phase Noise: –100 dBc SSB at 10 kHz offset from 10 GHz
• Frequency Stability: <5×10⁻¹⁰ per day (oven-stabilized reference)
• Frequency Resolution: 1 kHz standard; 0.1 Hz with Option 11
– Key Features
Modulation & Waveforms
• Internal AM, FM, ØM, and pulse modulation
• User-downloaded complex modulation capability
• Arbitrary waveform generation for ASK, PSK, FSK simulation
• Doublet, triplet, quadruplet pulse modes for RADAR testing
Sweep Capabilities
• Step sweep, analog sweep, alternate sweep, manual sweep modes
• Sweep width: 1 kHz to full range (0.1 Hz minimum with Option 11)
• Step sweep: 1 to 10,000 steps with variable step size
• Programmable frequency agility: up to 1,000 non-sequential frequencies via GPIB
• 20 independent, pre-settable markers (F0–F9, M0–M9) for precise frequency identification
Programming & Control
• GPIB (IEEE 488.2) support with SCPI programming option
• Microprocessor control with front panel data entry and display
• No Front Panel option available (Option 17A) for remote-only operation
– Typical Applications
Component testing, receiver testing, system integration, RADAR blind spot evaluation.
– Compatibility & Integration
Rackmount configuration. Rear panel includes BNC Twinax connectors. Optional mmWave Module B (Option 18) available for millimeter-wave applications.

















