The Agilent/Keysight 3566A is a single-channel FFT-based dynamic signal analyzer engineered for vibration analysis, acoustics, and general-purpose signal processing. It converts time-domain data to the frequency domain using Fast Fourier Transform technology, delivering rapid measurement processing for complex signal characterization. The instrument integrates a built-in source for circuit and system stimulation, with optional programmable DAC capabilities for arbitrary waveform and chirp generation.
– Technical Specifications
Measurement Architecture
• FFT Dynamic Signal Analyzer with 2-channel design
• Expandable to 16 channels; up to 48 channels using HP 35650B mainframe
• Frequency span to 128 kHz
• CRT display accommodating up to eight traces of time or frequency data
Time & Frequency Domain Analysis
• Transient capture to RAM and time record
• Power spectrum and cross-spectrum measurement
• 1/3 and 1/1 octave displays
• Frequency response (gain and phase) via swept-sine techniques
• Auto-correlation and cross-correlation
• Coherence measurement and Nyquist analysis
• Histogram, PDF, and CDF computation
Advanced Measurement Options
• Spectral maps and order ratio maps for machinery diagnostics
• Order tracking with optional algorithm for order-related signal separation
• Orbit diagram analysis
• Spatial characterization of radiated noise and source identification
• Sound pressure testing capability
Signal Generation
• Built-in sources: impulse, random, and burst random
• Optional programmable DAC module for arbitrary waveforms and chirp signals
– Key Features
• Integrated stimulus source eliminates need for external signal generators
• Modular architecture supports multi-channel expansion without dedicated mainframes
• Real-time dual-channel input processing
• External trigger synchronization for coordinated measurements
• Tachometer input for machinery applications
– Typical Applications
• Machinery condition monitoring and order tracking
• Structural vibration and acoustics testing
• Transfer function measurement with high dynamic range
• Noise source localization and characterization
• Transient and burst signal analysis
– Compatibility & Integration
• GPIB interface for instrument control and data exchange
• Serial and parallel port connectivity for plotters and printers
• External keyboard support for extended operation
• 35650B mainframe integration for cost-effective multi-channel expansion with portable PC coupling
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