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HomeBench InstrumentsSpectrum analyzersSRS SR780 — 100 kHz Dynamic Signal Analyzer

SRS SR780 — 100 kHz Dynamic Signal Analyzer

SRS SR780 — 100 kHz Dynamic Signal Analyzer
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SRS SR780 — 100 kHz Dynamic Signal Analyzer

The SR780 delivers true two-channel 102.4 kHz FFT performance.

Its fast 32-bit floating-point DSP processor gives the SR780 102.4 kHz real-time rate with both channels selected. Two precision 16-bit ADCs provide a 90 dB dynamic range in FFT mode.

Selectable 100 to 800 line analysis optimizes time and frequency resolution, and you can zoom in on any portion of the 102.4 kHz range with a frequency span down to 191 mHz.

The SR780's unique architecture lets the two displays function independently.

You can choose separate frequency spans, starting frequencies, number of FFT lines, or averaging modes for each display. So it's easy look at a wideband display and zoom in on a specific feature simultaneously.

The SR780 lets you select from two sampling rates: 256 kHz or 262 kHz, so frequency spans come out in either a binary (102.4 kHz, 51.2 kHz,...) or decimal (100 kHz, 50 kHz, 25 kHz,...) sequence depending on your requirements.





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  • DC to 102.4 kHz bandwidth
  • 90 dB dynamic range
  • Low-distortion synthesized source
  • 145 dB dynamic range in swept-sine mode
  • Real-time octave analysis
  • Up to 32 Mbyte memory
  • GPIB and RS-232 interfaces

The SR780 Dynamic Signal Analyzer combines high performance and low cost in a full-featured package.


It offers 102.4 kHz dual-channel FFTs with 90 dB dynamic range, 145 dB dynamic range swept-sine measurements, real-time ANSI standard octave analysis, waterfall displays and transient capture for less than half the cost of other similarly equipped analyzers.


Whether your application involves acoustic measurements, vibration testing, servo systems or filter design, the SR780's features, performance and low cost are unmatched.

Download datasheet »

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