The Agilent/Keysight 35670A is a portable dynamic signal analyzer delivering real-time spectrum and waveform analysis across mechanical, structural, and electronic testing applications. Operating from 122 µHz to 102.4 kHz with 16-bit ADC resolution and ±0.15 dB accuracy, it combines field portability with laboratory-grade measurement capability in a compact form factor designed to fit under an airplane seat.
Technical Specifications
Measurement Capability
• Frequency range: 122 µHz to 102.4 kHz (1 channel); 51.2 kHz (2 channel); 25.6 kHz (4 channel)
• Real-time bandwidth: 25.6 kHz (1 channel)
• Resolution: 100, 200, 400, 800, and 1600 lines
• Digital zoom: Down to 61 µHz resolution
• Dynamic range: 90 dB typical; up to 130 dB in swept-sine mode
• Input impedance: ≥1 MΩ
• Source impedance: 50 Ω
• Input noise: ≤140 dBVrms/√2 Hz (above 1280 Hz); ≤130 dBVrms/√2 Hz (160 Hz to 1280 Hz)
• Channel match: ±0.04 dB and ±0.5 degrees Hardware
• 2 standard channels; optional 4-channel configuration (Option AY6)
• 17 cm (6.3 inch) color display
• 16-bit ADC
• Power: 12–28 Vdc or 90–264 Vac, 47–440 Hz
• Built-in 3.5-inch floppy disk drive
• Optional 8 MB RAM (Option UFC) for extended transient capture (0.8 to >6 Msamples)
• Optional 1 MB NVRAM (Option UFF) Measurement Modes
Standard: Linear spectrum, cross spectrum, power spectrum, power spectral density, frequency response, coherence, time waveform, auto-correlation, cross-correlation, histogram, PDF, CDF. Optional: Octave analysis (1/1, 1/3, 1/12 octave to 40 kHz), order tracking with orbit diagrams, curve fit/synthesis, swept-sine, arbitrary waveform source. Source Outputs
Random, burst random, periodic chirp, burst chirp, pink noise, sine, swept-sine (Option 1D2), arbitrary waveform (Option 1D4). – Key Features • Dual-channel baseline with 4-channel expansion option
• Advanced marker set: individual and coupled multi-trace, peak search, harmonic, band, sideband power, waterfall, and frequency response markers
• Time-domain control system analysis: overshoot, rise time, settling time, delay measurement
• THD, harmonic power, and RPM/order tracking in real time
• Deep transient capture to >6 Msamples with optional memory – Typical Applications • Vibration and structural analysis
• Motor and bearing diagnostics
• Acoustic and noise characterization
• Transient and shock analysis
• Field troubleshooting and predictive maintenance
• Laboratory signal characterization – Compatibility & Integration Agilent Instrument BASIC firmware (Option 1C2) enables custom automation routines and integration with external measurement systems.
