Keysight Agilent HP 35665A Dynamic Signal Analyzer 2-Channel DC to 102.4 Khz FFT

HP 3561A Benchtop 100 KHz Dynamic Signal Analyzer 80 dB Dynamic Range

Hewlett Packard 3561A Dynamic Signal Analyzer, Model 3561A, MPN 3561A

Agilent/ HP 8561E Spectrum Analyzer 30Hz–6.5GHz.

HP Agilent 3561A Dynamic Signal Analyzer

HP Fast Fourier Transform (FFT)Dynamic Signal Analyzer 0.000125Hz-100kHz

Agilent/ HP 8561E Spectrum Analyzer 30Hz–6.5GHz.