Anritsu 69345A Synthesized Sweep/Signal Generator, 0.5 – 20 GHz

The Anritsu 69345A is a synthesized sweep/signal generator delivering precise frequency control from 0.5 GHz to 20 GHz. Built for RF receiver testing, production verification, and demanding R&D environments, it combines phase-locked synthesis with flexible sweep architecture to characterize device performance across broad frequency bands.

– Technical Specifications

Frequency Performance
• Frequency Range: 0.5 GHz to 20 GHz
• Frequency Resolution: 1 kHz (0.1 Hz with Option 11)
• Carrier Frequency Stability: < 2 × 10⁻⁸/day; < 5 × 10⁻¹⁰/day with Option 16
• Temperature Stability: < 2 × 10⁻⁸/°C over 0°C to 55°C; < 2 × 10⁻¹⁰/°C with Option 16
• Frequency Switching Time: < 40 ms to 1 kHz accuracy; stepped sweeps < 15 ms + 1 ms/GHz step or < 40 ms (whichever is less)

Output Characteristics
• Output Impedance: 50 Ω
• 10 MHz Reference Output: 0.5 V p-p into 50 Ω, AC coupled, rear panel BNC

Modulation & Sweep Modes
• Modulation Types: Internal AM, FM, phase modulation, pulse modulation, and user-downloadable complex modulation
• Sweep Modes: Manual (stepped), analog, step, and alternate (two ranges with independent power levels)
• Sweep Width: 1 MHz to full range or continuous
• Dwell Time: 1 ms to 99 seconds per step
• Sweep Triggering: Auto, external TTL (AUX I/O connector), or single

Reference & Synchronization
• External 10 MHz Reference Input: Supported
• VNA Source Lock Mode: Phase-locked operation with Wiltron 360B at < 8.5 ms/step sweep speed; 100 kHz frequency resolution

– Key Features

• Stable synthesis across 0.5–20 GHz with sub-nanosecond switching
• Flexible sweep control with user-selectable width and dwell time
• Multiple triggering options for integration into test systems
• Optional ultra-low frequency stability for precision metrology
• VNA synchronization for network analyzer sourcing

– Typical Applications

• RF receiver characterization and design validation
• Production line signal source verification
• Component performance measurement across microwave bands
• Frequency response testing in manufacturing environments

– Compatibility & Integration

External reference locking and TTL trigger inputs enable integration with automated test systems and vector network analyzers. Phase-locked operation with Wiltron 360B VNA systems supports synchronized multi-port measurements.